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DK4777C
(en)
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Devices for electrically operated switching and signaling systems.
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DK4924C
(en)
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Devices of electric signaling systems for railways.
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GB190218765A
(en)
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An Improved Oil Break Switch.
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ES29153A1
(en)
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An electrical switch.
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DK5312C
(en)
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Devices for pneumatic switchgear and signal control systems.
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DK4829C
(en)
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Devices for Telephone Systems with Common Return.
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DK4994C
(en)
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Central Switching and Signal Displacement Device for Railway Stations.
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DK4655C
(en)
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Devices at Stiklaase.
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FR325091A
(en)
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Electrically controlled switches or circuit breakers
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DK5106C
(en)
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|
Cementtage device.
|
|
FR321249A
(en)
|
|
Multiple switch
|
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FR326964A
(en)
|
|
Switch for electrical circuits
|
|
GB190403885A
(en)
|
|
Improvements in Electrical Switching Systems.
|
|
DK4485C
(en)
|
|
Device for electro-pneumatic control systems for electric railways.
|
|
DK4514C
(en)
|
|
Device for electro-pneumatic control systems for electric railways.
|
|
FR318255A
(en)
|
|
Switch for telephone and telegraph systems
|
|
FR318368A
(en)
|
|
Latch for multiple switch
|
|
ES30882A1
(en)
|
|
Improvements in signaling devices for electric railways.
|
|
DK4615C
(en)
|
|
Lead protection for electrical systems.
|
|
ES30280A1
(en)
|
|
An insulating container.
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DK4762C
(en)
|
|
Device at Cyklelaase.
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DK5230C
(en)
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|
Device at Laase.
|
|
DK5296C
(en)
|
|
Device at Møllesten.
|
|
GB190228012A
(en)
|
|
Improvements in Electrical Switches.
|
|
GB190219842A
(en)
|
|
Improvements in Electrical Switches.
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