SAFETY CRANK DEVICE,申请号CAD479825-传众专利搜索

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发明名称	SAFETY CRANK DEVICE
摘要
申请公布号	CA479825(A)	申请公布日期	1952.01.01
申请号	CAD479825	申请日期
申请人	STEPHEN L. GROVE	发明人	STEPHEN L. GROVE
分类号		主分类号
代理机构		代理人
主权项
地址

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