Tubes de tubage destinés notamment aux trous de sondage profonds,申请号FRD1141450-传众专利搜索

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发明名称	Tubes de tubage destinés notamment aux trous de sondage profonds
摘要
申请公布号	FR1141450(A)	申请公布日期	1957.09.02
申请号	FRD1141450	申请日期	1955.09.20
申请人	PHOENIX-RHEINROHR AKTIENGESELLSCHAFT VEREINIGTE HUETTENUND ROHRENWERKE	发明人
分类号	E21B17/00	主分类号	E21B17/00
代理机构		代理人
主权项
地址

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