Bleaching wood pulp,申请号US19460658585-传众专利搜索

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发明名称	Bleaching wood pulp
摘要
申请公布号	US2492047(A)	申请公布日期	1949.12.20
申请号	US19460658585	申请日期	1946.03.30
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	K'BURG PAUL B.;REICHERT JOSEPH S.
分类号	D21C9/10	主分类号	D21C9/10
代理机构		代理人
主权项
地址

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