Window operating apparatus,申请号GB19530019585-传众专利搜索

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发明名称	Window operating apparatus
摘要
申请公布号	GB742681(A)	申请公布日期	1955.12.30
申请号	GB19530019585	申请日期	1953.07.14
申请人	HAROLD FRANK WARWICK	发明人
分类号	E05F11/44	主分类号	E05F11/44
代理机构		代理人
主权项
地址

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