Perfectionnements aux pompes rotatives,申请号FRD54561-传众专利搜索

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发明名称	Perfectionnements aux pompes rotatives
摘要
申请公布号	FR54561(E)	申请公布日期	1950.05.04
申请号	FRD54561	申请日期	1946.05.25
申请人		发明人	MULLER JACQUES
分类号	F04C2/04	主分类号	F04C2/04
代理机构		代理人
主权项
地址

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