SUPPORT FOR MAIN FILTER AND PREFILTER,申请号USD3525200-传众专利搜索

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发明名称	SUPPORT FOR MAIN FILTER AND PREFILTER
摘要
申请公布号	US3525200(A)	申请公布日期	1970.08.25
申请号	USD3525200	申请日期	1968.11.27
申请人	MINE SAFETY APPLIANCES CO.	发明人	WAYNE L. SMITH
分类号	B01D46/00;(IPC1-7):B01D50/00	主分类号	B01D46/00
代理机构		代理人
主权项
地址

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