Method of sizing paper,申请号US19280304169-传众专利搜索

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发明名称	Method of sizing paper
摘要
申请公布号	US1803644(A)	申请公布日期	1931.05.05
申请号	US19280304169	申请日期	1928.09.05
申请人	RAFTON LABORATORIES, INC.	发明人	RAFTON HAROLD ROBERT
分类号	D21H17/60	主分类号	D21H17/60
代理机构		代理人
主权项
地址

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