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发明名称
IMPROVEMENT ON PRODUCTION PIT HEAD FOR SUBMARINE OIL WELL
摘要
申请公布号
JPS5549493(A)
申请公布日期
1980.04.09
申请号
JP19780119395
申请日期
1978.09.29
申请人
PETROLES CIE FRANCAISE
发明人
JIYAN PIEERU BUTE;FURANSOWA KURAUDO GOORE
分类号
E21B33/035;E21B33/043
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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