Process of making filter papers and filter fabrics,申请号US19270236579-传众专利搜索

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发明名称	Process of making filter papers and filter fabrics
摘要
申请公布号	US1782785(A)	申请公布日期	1930.11.25
申请号	US19270236579	申请日期	1927.11.29
申请人	FILTER FABRICS, INC.	发明人	MANNING FRED W.
分类号		主分类号
代理机构		代理人
主权项
地址

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