Vacuum cleaner dust bag,申请号US19290405853-传众专利搜索

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发明名称	Vacuum cleaner dust bag
摘要
申请公布号	US1914370(A)	申请公布日期	1933.06.20
申请号	US19290405853	申请日期	1929.11.09
申请人	HUTCHISON JR MILLER R	发明人	JR. MILLER R. HUTCHISON,
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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