Means and method for improving the quality of paper,申请号US19410389586-传众专利搜索

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发明名称	Means and method for improving the quality of paper
摘要
申请公布号	US2319800(A)	申请公布日期	1943.05.25
申请号	US19410389586	申请日期	1941.04.21
申请人	ECUSTA PAPER CORPORATION	发明人	DENTON JESS R.
分类号	D21F1/44	主分类号	D21F1/44
代理机构		代理人
主权项
地址

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