Double-acting vacuum pump,申请号GB19790043601-传众专利搜索

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发明名称	Double-acting vacuum pump
摘要
申请公布号	GB2040361(A)	申请公布日期	1980.08.28
申请号	GB19790043601	申请日期	1979.12.18
申请人	PIERBURG GMBH & CO KG	发明人
分类号	F04B37/16;F04B37/14;F04B39/00;(IPC1-7):F04B49/00;F04B25/00	主分类号	F04B37/16
代理机构		代理人
主权项
地址

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