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法人/股东/高管

发明名称	Duct
摘要
申请公布号	US2018846(A)	申请公布日期	1935.10.29
申请号	US19330674183	申请日期	1933.06.03
申请人	BULLDOG ELECTRIC PRODUCTS COMPANY	发明人	FRANK HARRISON J. L.;HARPER WILLIAM A.
分类号	H02G5/04	主分类号	H02G5/04
代理机构		代理人
主权项
地址

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