METHOD AND APPARATUS FOR CONNECTING A RISER PIPE TO A BLOW OUT PREVENTER STACK,申请号GB19760011494-传众专利搜索

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发明名称	METHOD AND APPARATUS FOR CONNECTING A RISER PIPE TO A BLOW OUT PREVENTER STACK
摘要
申请公布号	GB1538559(A)	申请公布日期	1979.01.24
申请号	GB19760011494	申请日期	1976.03.22
申请人	ELF AQUITAINE STE NALE	发明人
分类号	E21B33/038;F16L37/00;F16L37/56;(IPC1-7):F16L25/00	主分类号	E21B33/038
代理机构		代理人
主权项
地址

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