Surface active material,申请号US19370165078-传众专利搜索

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发明名称	Surface active material
摘要
申请公布号	US2199397(A)	申请公布日期	1940.05.07
申请号	US19370165078	申请日期	1937.09.22
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	ENGELMANN MAX
分类号	C11D1/00	主分类号	C11D1/00
代理机构		代理人
主权项
地址

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