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SE70308C1
(ru)
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GB688402A
(en)
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Improvements relating to magnetic devices
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GB545982A
(en)
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Improvements in circuits for operating electrical indicating devices
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SU28691A1
(ru)
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Приспособление дл передачи показаний тахометра на рассто ние
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DE611701C
(de)
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Mehrpoliger UEberstromselbstschalter
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GB559868A
(en)
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Improvements in electro-magnetic relays
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FR629390A
(fr)
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Mécanisme d'accrochage à déclanchement radide et précis, applicable par exemple aux interrupteurs électriques, disjoncteurs, relais, etc.
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SU37189A1
(ru)
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Электромагнитный измерительный прибор
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US1578838A
(en)
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Indicator
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US2372144A
(en)
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Relay contact members
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GB486516A
(en)
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Improvements in or relating to switches for electric heating apparatus
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GB548472A
(en)
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Improvements relating to electric circuit breakers having magnetic blow-outs
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GB492694A
(en)
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Improvements in or relating to railway signalling systems
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GB551085A
(en)
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Improvements in or relating to electric switches operated by impact or shock
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GB514841A
(en)
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Improved electro-magnetic switch mechanism
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GB490595A
(en)
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Improvements relating to devices for registering the progressive totals of numbers added or subtracted in succession
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GB254776A
(en)
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Improvements in switches
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GB331946A
(en)
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Improvements in or relating to pendulum-controlled mechanisms
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GB295423A
(en)
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Improvements in magnetically-actuated friction clutches
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ES181977A1
(es)
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INDICADOR TELEFoNICO
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GB431280A
(en)
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Improvements in and relating to rotary electric switches
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GB604896A
(en)
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Improvements relating to electric tumbler switches
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GB547778A
(en)
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Improvements relating to electromagnetic switches
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CH229753A
(de)
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Relaisunterbrecher-Vorrichtung an Wähler.
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GB297895A
(en)
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Improvements relating to electro-responsive indicating apparatus
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