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经营范围
发明名称
ROTATABLE BLOWOUT PREVENTER
摘要
申请公布号
SU717281(A1)
申请公布日期
1980.02.25
申请号
SU19782569204
申请日期
1978.01.06
申请人
RASI-ZADE ARTUR T,SU;FRENKEL BORIS O,SU;ZALINOV VLADIMIR L,SU
发明人
RASI-ZADE ARTUR T,SU;FRENKEL BORIS O,SU;ZALINOV VLADIMIR L,SU
分类号
E21B33/06;(IPC1-7):E21B33/06
主分类号
E21B33/06
代理机构
代理人
主权项
地址
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