Method of producing lignin from black liquor,申请号US19440523488-传众专利搜索

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发明名称	Method of producing lignin from black liquor
摘要
申请公布号	US2464828(A)	申请公布日期	1949.03.22
申请号	US19440523488	申请日期	1944.02.22
申请人	WEST VIRGINIA PULP AND PAPER COMPANY	发明人	POLLAK ARTHUR;JR. JOHN J. KEILEN,;DRUM LEWIS F.
分类号	D21C11/04	主分类号	D21C11/04
代理机构		代理人
主权项
地址

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