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United States Patent 3522472

Inventors:
Breitholtz BO.
Publication Date:
08/04/1970
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Assignee:
ASEA AB
Primary Class:
315/126
Other Classes:
315/127, 361/58, 361/10
International Classes:
H01H33/59
US Patent References:
3310707Over voltage protection means for high voltage mercury arc rectifiers
3252014Switching device with arc suppressor




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