Suction cleaner dust bag opening construction,申请号US19380229362-传众专利搜索

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发明名称	Suction cleaner dust bag opening construction
摘要
申请公布号	US2259855(A)	申请公布日期	1941.10.21
申请号	US19380229362	申请日期	1938.09.10
申请人	THE P. A. GEIER COMPANY	发明人	MARTINET EUGENE F.
分类号	A47L9/14	主分类号	A47L9/14
代理机构		代理人
主权项
地址

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