ELECTRICAL DOOR OPERATING DEVICE,申请号CAD300028-传众专利搜索

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发明名称	ELECTRICAL DOOR OPERATING DEVICE
摘要
申请公布号	CA300028(A)	申请公布日期	1930.05.13
申请号	CAD300028	申请日期
申请人	EDWIN R. BEEMAN	发明人	EDWIN R. BEEMAN
分类号		主分类号
代理机构		代理人
主权项
地址

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