Automatic control for hoisting machines,申请号US19320645564-传众专利搜索

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发明名称	Automatic control for hoisting machines
摘要
申请公布号	US1919818(A)	申请公布日期	1933.07.25
申请号	US19320645564	申请日期	1932.12.03
申请人	THOMAS ELEVATOR COMPANY	发明人	WILSON ALEXANDER H.
分类号	B66B9/187	主分类号	B66B9/187
代理机构		代理人
主权项
地址

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