Self-sealing filter,申请号US19300489576-传众专利搜索

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发明名称	Self-sealing filter
摘要
申请公布号	US1899029(A)	申请公布日期	1933.02.28
申请号	US19300489576	申请日期	1930.10.18
申请人	AMERICAN AIR FILTER COMPANY, INC.	发明人	GAGEN CHARLES H.
分类号	B01D46/12	主分类号	B01D46/12
代理机构		代理人
主权项
地址

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