Vacuum cleaning brush, including removable bristle holding cores,申请号US19490070646-传众专利搜索

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发明名称	Vacuum cleaning brush, including removable bristle holding cores
摘要
申请公布号	US2606338(A)	申请公布日期	1952.08.12
申请号	US19490070646	申请日期	1949.01.13
申请人	ELLEN FRISCOE	发明人	LORENZO FRED P. DE
分类号	A46B13/00;A47L9/06	主分类号	A46B13/00
代理机构		代理人
主权项
地址

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