Improvements in or relating to refining of naphthalene,申请号GB19460000427-传众专利搜索

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发明名称	Improvements in or relating to refining of naphthalene
摘要
申请公布号	GB620753(A)	申请公布日期	1949.03.30
申请号	GB19460000427	申请日期	1946.01.04
申请人	KOPPERS COMPANY, INC.	发明人
分类号	C07C7/04	主分类号	C07C7/04
代理机构		代理人
主权项
地址

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