Elevator door operator,申请号US19400313241-传众专利搜索

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发明名称	Elevator door operator
摘要
申请公布号	US2235384(A)	申请公布日期	1941.03.18
申请号	US19400313241	申请日期	1940.01.10
申请人	WESTINGHOUSE ELECTRIC ELEVATOR COMPANY	发明人	RADEEFF ANDREW C.
分类号	B66B13/06	主分类号	B66B13/06
代理机构		代理人
主权项
地址

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