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发明名称
FILTRU
摘要
申请公布号
RO81144(A2)
申请公布日期
1983.06.01
申请号
RO19800102044
申请日期
1980.08.26
申请人
INSTITUTUL DE CERCETARI SI PROIECTARI PENTRU PETROL SI GAZE,RO
发明人
STANCIU,ION,RO;OANCEA,CONSTANTIN,RO
分类号
E03B3/18;E21B43/08;(IPC1-7):E21B43/08
主分类号
E03B3/18
代理机构
代理人
主权项
地址
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