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发明名称
DISPOZITIV PENTRU STRINGEREA DESFACEREA UNEI IMBINARI FILETATE
摘要
申请公布号
RO94129(A2)
申请公布日期
1988.06.30
申请号
RO19850121164
申请日期
1985.12.16
申请人
INSTITUTUL DE PETROL SI GAZE,RO
发明人
ULMANU VLAD,RO;ZECHERU GHEORGHE,RO;PETRESCU ION,RO
分类号
B25B13/50;E21B19/16;(IPC1-7):B25B13/50
主分类号
B25B13/50
代理机构
代理人
主权项
地址
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