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DK3582C
(en)
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|
Device at the Measuring Body in Electricity Meters.
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|
GB103555A
(en)
|
|
Improvements in and relating to Measuring Instruments or Gauges.
|
|
ES28928A1
(en)
|
|
Improvements in electricity meters.
|
|
ES25671A1
(en)
|
|
Improvements in electrical measuring devices.
|
|
ES25461A1
(en)
|
|
Improvements in electric meters.
|
|
ES26889A1
(en)
|
|
Improvements in electric meters.
|
|
ES32351A1
(en)
|
|
Improvements in electricity meters.
|
|
ES25401A1
(en)
|
|
Improvements in water meters.
|
|
GB189921302A
(en)
|
|
Improvements in or connected with Electricity Measuring Instruments.
|
|
ES27698A1
(en)
|
|
Improvements in electricity meters.
|
|
GB190000396A
(en)
|
|
Improvements in Electricity Meters.
|
|
GB190005593A
(en)
|
|
Improvements in Electricity Meters.
|
|
ES27614A1
(en)
|
|
Improvements in electric meters.
|
|
ES32596A1
(en)
|
|
Improvements in electric meters.
|
|
ES26978A1
(en)
|
|
Improvements in gas meters.
|
|
ES23337A1
(en)
|
|
Improvements in the electricity meters of previous payment.
|
|
CH22529A
(en)
|
|
Electricity meter
|
|
DK3798C
(en)
|
|
Electricity meter.
|
|
DK4156C
(en)
|
|
Devices for Smoothing Polarizations in Voltmeter Meters.
|
|
ES33021A1
(en)
|
|
Improvements in gas meters.
|
|
ES26537A1
(en)
|
|
Improvements introduced in electric meters.
|
|
ES25466A1
(en)
|
|
Improvements in accumulation batteries.
|
|
ES24901A1
(en)
|
|
Improvements in electric meters.
|
|
ES28711A1
(en)
|
|
An electricity meter.
|
|
ES27915A1
(en)
|
|
Improvements in indicating devices.
|