A suction cleaning device,申请号GB19380021954-传众专利搜索

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发明名称	A suction cleaning device
摘要
申请公布号	GB510113(A)	申请公布日期	1939.07.27
申请号	GB19380021954	申请日期	1938.07.23
申请人	HANS WILLI METTLER	发明人
分类号	D06G1/00	主分类号	D06G1/00
代理机构		代理人
主权项
地址

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