Vacuum producing equipment,申请号GB19520026092-传众专利搜索

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发明名称	Vacuum producing equipment
摘要
申请公布号	GB719990(A)	申请公布日期	1954.12.08
申请号	GB19520026092	申请日期	1952.10.17
申请人	THE NASH ENGINEERING COMPANY	发明人
分类号	F04F5/46;F04F5/54	主分类号	F04F5/46
代理机构		代理人
主权项
地址

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