Improvements in or relating to the operation of lift doors,申请号GB19520032727-传众专利搜索

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发明名称	Improvements in or relating to the operation of lift doors
摘要
申请公布号	GB765649(A)	申请公布日期	1957.01.09
申请号	GB19520032727	申请日期	1952.12.24
申请人	DEWHURST & PARTNER LIMITED;MELBOURNE DEWHURST;ALBERT JOHN CLARKE WARD;GEORGE ERIC MINNS	发明人
分类号	B66B13/08	主分类号	B66B13/08
代理机构		代理人
主权项
地址

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