Modified coal tar and method for the production thereof,申请号US19380215223-传众专利搜索

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发明名称	Modified coal tar and method for the production thereof
摘要
申请公布号	US2188478(A)	申请公布日期	1940.01.30
申请号	US19380215223	申请日期	1938.06.22
申请人	HERCULES POWDER COMPANY	发明人	LYNN JOHN EDWARD
分类号	C10C1/20;C10C3/02	主分类号	C10C1/20
代理机构		代理人
主权项
地址

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