Purification of coal tar fraction with hcl,申请号US19650444855-传众专利搜索

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发明名称	Purification of coal tar fraction with hcl
摘要
申请公布号	US3370000(A)	申请公布日期	1968.02.20
申请号	US19650444855	申请日期	1965.04.01
申请人	UNITED STATES STEEL CORPORATION	发明人	GILBERT GERALD;PERLAKY CHARLES
分类号	C10C1/20	主分类号	C10C1/20
代理机构		代理人
主权项
地址

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