AUTOMATIC VENTILATING AIR FILTERS,申请号CAD558171-传众专利搜索

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发明名称	AUTOMATIC VENTILATING AIR FILTERS
摘要
申请公布号	CA558171(A)	申请公布日期	1958.06.03
申请号	CAD558171	申请日期
申请人	AMERICAN AIR FILTER COMPANY	发明人	RICHARD D. RIVERS
分类号		主分类号
代理机构		代理人
主权项
地址

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