Vacuum cleaning device,申请号US19320585826-传众专利搜索

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发明名称	Vacuum cleaning device
摘要
申请公布号	US1902534(A)	申请公布日期	1933.03.21
申请号	US19320585826	申请日期	1932.01.11
申请人	FRED WIELATZ	发明人	WIELATZ FRED
分类号	A47L9/06	主分类号	A47L9/06
代理机构		代理人
主权项
地址

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