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DK1154C
(en)
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Compensation apparatus for electrical measuring instruments.
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FR720E
(en)
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An instrument says: "pusher-trap-prades"
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CA58905A
(en)
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Measuring instrument
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DK4417C
(en)
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Device for citation-like stringed instruments.
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DK3301C
(en)
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Devices of electric measuring devices.
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CA56291A
(en)
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Bridge for musical instrument
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CA55622A
(en)
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Weighing or measuring machine
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CH15285A
(en)
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Electrical measuring device
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CH15546A
(en)
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Measuring vessel
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DK4155C
(en)
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Device at Acetylene Works.
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DK1183C
(en)
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Device for Apparatus for the Development of Acetylene.
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DK5507C
(en)
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Device for gas meters.
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DK1019C
(en)
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Devices for dry gas meters.
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DK3788C
(en)
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Device for Pianos.
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CH14258A
(en)
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Development apparatus
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CA88634A
(en)
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Distilling apparatus
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CA83325A
(en)
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Distilling apparatus
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CA83984A
(en)
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Electrical measuring instrument
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CH15062A
(en)
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Phase measuring apparatus for alternating currents
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DK1945C
(en)
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Electric Measuring Instrument.
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DK3508C
(en)
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Device for dry gas meters.
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DK3811C
(en)
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Device for Apparatus for the Production of Acetylene.
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CH14438A
(en)
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Mechanical musical instrument
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CH15225A
(en)
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Soundboard
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CA87840A
(en)
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Liquid measure for pumps
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