ELECTRICAL PROTECTIVE DEVICE,申请号CAD380509-传众专利搜索

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发明名称	ELECTRICAL PROTECTIVE DEVICE
摘要
申请公布号	CA380509(A)	申请公布日期	1939.04.04
申请号	CAD380509	申请日期
申请人	RALPH R. PITTMAN;CARROLL H. WALSH	发明人	RALPH R. PITTMAN;CARROLL H. WALSH
分类号		主分类号
代理机构		代理人
主权项
地址

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