Floor polishing device,申请号GB19450023635-传众专利搜索

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发明名称	Floor polishing device
摘要
申请公布号	GB600419(A)	申请公布日期	1948.04.08
申请号	GB19450023635	申请日期	1945.09.13
申请人	WILLIAM ARTHUR BOETTCHER	发明人
分类号	A47L11/164	主分类号	A47L11/164
代理机构		代理人
主权项
地址

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