Improvements relating to carpet sweepers,申请号GB19470031131-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	GB647788(A)	申请公布日期	1950.12.20
申请号	GB19470031131	申请日期	1947.11.24
申请人	MAURITS DE KADT;JACQUES DE KADT	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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