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1771648
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Patent Grant
1771648
References
Source
Patent Number
1,771,648
Date Filed
Not available
Date Issued
Tuesday, July 29, 1930
94 years ago
CPC
H01H73/42 - reset by rotatable knob or wheel
US Classifications
335 - Electricity: magnetically operated switches, magnets, and electromagnets
200 - Electricity: circuit makers and breakers
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