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1.发明授权Circuit interrupters utilizing a gasevolving material as an arc extinguishing agent 失效使用gasevolving材料作为灭弧剂的断路器
公开(公告)号：US3138683A
公开(公告)日：1964-06-23
申请号：US9942161
申请日：1961-03-30
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： DANIEL BERG , CHURCHILL BOROUGH , LEWIS CHARLES W
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