Filter means and method of making same,申请号US19390277835-传众专利搜索

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发明名称	Filter means and method of making same
摘要
申请公布号	US2190886(A)	申请公布日期	1940.02.20
申请号	US19390277835	申请日期	1939.06.07
申请人	AIR-MASE CORPORATION	发明人	SCHAAF ALBERT E.;WALTON GEORGE M.;GLANZER CLARENCE J.
分类号	B01D39/12	主分类号	B01D39/12
代理机构		代理人
主权项
地址

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