Oil-and water-proof product,申请号US19320619734-传众专利搜索

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发明名称	Oil-and water-proof product
摘要
申请公布号	US2027390(A)	申请公布日期	1936.01.14
申请号	US19320619734	申请日期	1932.06.28
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	LAZIER WILBUR A.;WERNTZ JAMES H.
分类号	D21H17/14	主分类号	D21H17/14
代理机构		代理人
主权项
地址

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