Process of treating cellulose fiber pulp,申请号US19310527664-传众专利搜索

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发明名称	Process of treating cellulose fiber pulp
摘要
申请公布号	US1899989(A)	申请公布日期	1933.03.07
申请号	US19310527664	申请日期	1931.04.04
申请人	DILL & COLLINS CO.	发明人	SCHWALBE HELLMUTH C.
分类号	D21C3/22	主分类号	D21C3/22
代理机构		代理人
主权项
地址

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