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US2285339A
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Portable resistance load
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US2267282A
|
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Stroboscopic meter testing apparatus
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US2243547A
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Stroboscopic meter testing apparatus
|
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US2241052A
|
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Electric switch
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US2210418A
|
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Meter testing plug
|
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US2218650A
|
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Meter testing jack
|
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US2199022A
|
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Electrical connection means
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US2186749A
|
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Electric switch handle
|
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US2195075A
|
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Electric circuit control mounting
|
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US2159757A
|
|
Electrical coupling
|
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US2120061A
|
|
Electrical connection block
|
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US2081101A
|
|
Meter connection block
|
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US2081100A
|
|
Meter connection block
|
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US2022486A
|
|
Electrical terminal connection block
|
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US1891212A
|
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Electrical terminal block
|
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US1964885A
|
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Test block
|
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US1836951A
|
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Connection block
|
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US1862830A
|
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Automatic series cut-out
|
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US1668798A
|
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Electric meter
|
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US1725553A
|
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Wire clamp
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