Method and apparatus for expansion of fibrous mats,申请号US19450606247-传众专利搜索

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发明名称	Method and apparatus for expansion of fibrous mats
摘要
申请公布号	US2486217(A)	申请公布日期	1949.10.25
申请号	US19450606247	申请日期	1945.07.20
申请人	JOHNS-MANVILLE CORPORATION	发明人	SLACK ROBERT E.;HEDGES LEE M.
分类号	D04H3/02	主分类号	D04H3/02
代理机构		代理人
主权项
地址

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