Perfectionnements apportés aux pistons des cylindres à fluide sous pression, plus spécialement aux pistons des étançons hydrauliques pour mines,申请号FR19650019284-传众专利搜索

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发明名称	Perfectionnements apportés aux pistons des cylindres à fluide sous pression, plus spécialement aux pistons des étançons hydrauliques pour mines
摘要
申请公布号	FR88238(E)	申请公布日期	1966.12.30
申请号	FR19650019284	申请日期	1965.06.02
申请人	BOCHUMER EISENHUETTE HEINTZMANN & CO.	发明人
分类号	E21D15/44;F16J15/32	主分类号	E21D15/44
代理机构		代理人
主权项
地址

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