Improvements relating to carpet sweepers,申请号GB19360013618-传众专利搜索

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发明名称	Improvements relating to carpet sweepers
摘要
申请公布号	GB470663(A)	申请公布日期	1937.08.19
申请号	GB19360013618	申请日期	1936.05.14
申请人	FRANK ROBINSON;CHARLES IDENDEN BETTS	发明人
分类号	A47L11/33	主分类号	A47L11/33
代理机构		代理人
主权项
地址

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