Process of manufacturing wood pulp in multiple stages,申请号US19310546166-传众专利搜索

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发明名称	Process of manufacturing wood pulp in multiple stages
摘要
申请公布号	US1896344(A)	申请公布日期	1933.02.07
申请号	US19310546166	申请日期	1931.06.22
申请人	BENSON HENRY K	发明人	BENSON HENRY K.
分类号	D21C3/26	主分类号	D21C3/26
代理机构		代理人
主权项
地址

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