Sponge rubber brush,申请号US19380187879-传众专利搜索

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发明名称	Sponge rubber brush
摘要
申请公布号	US2138010(A)	申请公布日期	1938.11.29
申请号	US19380187879	申请日期	1938.01.31
申请人	METCALF ROBERT K	发明人	METCALF ROBERT K.
分类号	A47L1/06	主分类号	A47L1/06
代理机构		代理人
主权项
地址

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