Combined blower and suction device for use in cleaning theatres and the like,申请号GB19480011930-传众专利搜索

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法人/股东/高管

发明名称	Combined blower and suction device for use in cleaning theatres and the like
摘要
申请公布号	GB666971(A)	申请公布日期	1952.02.20
申请号	GB19480011930	申请日期	1948.04.30
申请人		发明人
分类号	A47L5/14;A47L7/00	主分类号	A47L5/14
代理机构		代理人
主权项
地址

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