Rigid filter medium,申请号US19300486645-传众专利搜索

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发明名称	Rigid filter medium
摘要
申请公布号	US1930128(A)	申请公布日期	1933.10.10
申请号	US19300486645	申请日期	1930.10.06
申请人	THE DORR COMPANY, INC.	发明人	LUND NELS B.
分类号	B01D39/10	主分类号	B01D39/10
代理机构		代理人
主权项
地址

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