Piston pour machines à pistons hélicoïdaux,申请号FRD852167-传众专利搜索

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发明名称	Piston pour machines à pistons hélicoïdaux
摘要
申请公布号	FR852167(A)	申请公布日期	1940.01.25
申请号	FRD852167	申请日期	1939.03.27
申请人	SCHRAUBENKOLBEN-GESELLSCHAFT M.B.H.	发明人
分类号	F04C2/344	主分类号	F04C2/344
代理机构		代理人
主权项
地址

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