Preparation of paper pulp,申请号GB19370028023-传众专利搜索

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发明名称	Preparation of paper pulp
摘要
申请公布号	GB492219(A)	申请公布日期	1938.09.16
申请号	GB19370028023	申请日期	1937.10.14
申请人	CHAMPAGNE PAPER CORPORATION	发明人
分类号	D21C3/02	主分类号	D21C3/02
代理机构		代理人
主权项
地址

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