Door opening or closing device,申请号GB19430015277-传众专利搜索

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发明名称	Door opening or closing device
摘要
申请公布号	GB573415(A)	申请公布日期	1945.11.20
申请号	GB19430015277	申请日期	1943.10.17
申请人	ALFRED CONRAD KATHER	发明人
分类号	E05F1/10	主分类号	E05F1/10
代理机构		代理人
主权项
地址

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