Improvements in or relating to rotary vacuum pumps,申请号GB19580022235-传众专利搜索

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发明名称	Improvements in or relating to rotary vacuum pumps
摘要
申请公布号	GB836863(A)	申请公布日期	1960.06.09
申请号	GB19580022235	申请日期	1958.07.10
申请人	MANFRED MATHIAS DUNKEL	发明人
分类号	F04C25/02;F04C27/02;F04C29/02	主分类号	F04C25/02
代理机构		代理人
主权项
地址

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