Electric lifting device,申请号US19400371557-传众专利搜索

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发明名称	Electric lifting device
摘要
申请公布号	US2304360(A)	申请公布日期	1942.12.08
申请号	US19400371557	申请日期	1940.12.24
申请人	HORSTKOTTE FREDERICK W	发明人	HORSTKOTTE FREDERICK W.
分类号	B27B31/02;B27B31/04;B66F11/00;B66F19/00	主分类号	B27B31/02
代理机构		代理人
主权项
地址

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