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发明名称
CORUNCA
摘要
申请公布号
RO91282(A2)
申请公布日期
1987.03.30
申请号
RO19850118915
申请日期
1985.05.25
申请人
TRUSTUL FORAJ EXTRACTIA,RO
发明人
MIHAI NICOLAE,RO;DRAGOMIR ENACHE,RO
分类号
E21B31/08;(IPC1-7):E21B31/08
主分类号
E21B31/08
代理机构
代理人
主权项
地址
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