DUST FILTERS,申请号CAD514030-传众专利搜索

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发明名称	DUST FILTERS
摘要
申请公布号	CA514030(A)	申请公布日期	1955.06.21
申请号	CAD514030	申请日期
申请人	HORACE R. HUTCHINGS	发明人	HORACE R. HUTCHINGS
分类号		主分类号
代理机构		代理人
主权项
地址

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