Beater sizing of paper with ketene dimers,申请号US19540423521-传众专利搜索

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发明名称	Beater sizing of paper with ketene dimers
摘要
申请公布号	US2785067(A)	申请公布日期	1957.03.12
申请号	US19540423521	申请日期	1954.04.15
申请人	HERCULES POWDER COMPANY	发明人	JR. WILFRED E. OSBERG,
分类号	D21H17/17	主分类号	D21H17/17
代理机构		代理人
主权项
地址

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