Process of making chemical pulp,申请号US19300492444-传众专利搜索

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发明名称	Process of making chemical pulp
摘要
申请公布号	US1922262(A)	申请公布日期	1933.08.15
申请号	US19300492444	申请日期	1930.10.31
申请人	ROSS JR JAMES H	发明人	JR. JAMES H. ROSS,
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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