DK1302C
(en)
|
|
Electricity meter.
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ES20290A1
(en)
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Improvements in electric meters.
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ES20958A1
(en)
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|
Improvements in electric meters.
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ES20960A1
(en)
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|
Improvements in electric meters.
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ES21102A1
(en)
|
|
Improvements in electric meters.
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ES21818A1
(en)
|
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An electricity meter.
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DK377C
(en)
|
|
Electricity meter.
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ES20672A1
(en)
|
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An electrical force meter.
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ES20386A1
(en)
|
|
An alternative current meter.
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DK2433C
(en)
|
|
Electricity meter.
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ES21357A1
(en)
|
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Dynamo improvements.
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DK3798C
(en)
|
|
Electricity meter.
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DK4107C
(en)
|
|
Electricity meter.
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ES21498A1
(en)
|
|
Improvements in fumivorous homes.
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ES21265A1
(en)
|
|
Gasogens improvements.
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CH14444A
(en)
|
|
Electricity meter
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CH14445A
(en)
|
|
Electricity meter
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DK934C
(en)
|
|
Vandlaas for wet gas meters.
|
ES20843A1
(en)
|
|
An electric energy meter.
|
DK1104C
(en)
|
|
Stenbor.
|
DK908C
(en)
|
|
Snitklup.
|
ES20556A1
(en)
|
|
Improvements in electric current meters.
|
CH15076A
(en)
|
|
Improved turbine
|
CH14719A
(en)
|
|
Ampere-hour counter
|
ES21782A1
(en)
|
|
Improvements in the plansichters.
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