Elevator dispatching and control system,申请号GB19520031762-传众专利搜索

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发明名称	Elevator dispatching and control system
摘要
申请公布号	GB721988(A)	申请公布日期	1955.01.19
申请号	GB19520031762	申请日期	1952.12.15
申请人	OTIS ELEVATOR COMPANY	发明人
分类号	B66B1/20	主分类号	B66B1/20
代理机构		代理人
主权项
地址

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