Inhibering av gulning i papir,申请号NO20020004957-传众专利搜索

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发明名称	Inhibering av gulning i papir
摘要
申请公布号	NO20024957(A)	申请公布日期	2002.10.15
申请号	NO20020004957	申请日期	2002.10.15
申请人	PULP AND PAPER RESEARCH INSTITUTE OF CANADA	发明人	YUAN, ZHIRUN;SCHMIDT, JOHN ALOIS;MCGARRY, PETER FRANCIS;HEITNER, CYRIL
分类号	D21H17/07;D21H17/67;D21H19/38;D21H19/46;D21H21/14;(IPC1-7):D21H21/14;D21H19/36;D21H17:45;D21H17:67	主分类号	D21H17/07
代理机构		代理人
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