Oil-sealed rotary vacuum pumps,申请号GB19620022232-传众专利搜索

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发明名称	Oil-sealed rotary vacuum pumps
摘要
申请公布号	GB983709(A)	申请公布日期	1965.02.17
申请号	GB19620022232	申请日期	1962.06.08
申请人	LEYBOLD HOLDING A.G.	发明人
分类号	F04C27/02	主分类号	F04C27/02
代理机构		代理人
主权项
地址

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