DK6828C
(en)
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Wattmeter for Measuring Alternating Currents.
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ES35000A1
(en)
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Improvements in alternating current wattmeters.
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FR339453A
(en)
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Flux meter
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FR3765E
(en)
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Flux meter
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AT25137B
(en)
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Station indicator.
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FR335271A
(en)
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New improved vice
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ES33021A1
(en)
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Improvements in gas meters.
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DK4112C
(en)
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Electricity Meter for Indicating the Maximum Current.
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DK5628C
(en)
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Apparatus for Measuring Liquids.
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FR344595A
(en)
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multiple scale
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DK7358C
(en)
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|
Electricity meters for alternating current.
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DK5882C
(en)
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Gas meter for Prepayment.
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AT23266B
(en)
|
|
Stand for measuring instruments.
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CH29603A
(en)
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Self-collecting gas meter
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CH28396A
(en)
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|
Gas meter
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CH28395A
(en)
|
|
Gas meter
|
FR336771A
(en)
|
|
Advanced Balance
|
FR348903A
(en)
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|
Prepayment meter
|
DK3798C
(en)
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|
Electricity meter.
|
DK4107C
(en)
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|
Electricity meter.
|
FR347911A
(en)
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|
AC Wattmeter
|
CH29835A
(en)
|
|
Dual tariff gas meter
|
DK5590C
(en)
|
|
Procedure for Generating High Voltage Alternating Currents.
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AT23253B
(en)
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|
Probing tachygraph.
|
CH29601A
(en)
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Steam meter
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