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发明名称
TENSOMETRYCZNA SONDA OTWOROWA DO POMIARU CISNIEN I NAPREZEN W GOROTWORZE
摘要
申请公布号
PL96085(B1)
申请公布日期
1977.12.31
申请号
PL19760186336
申请日期
1976.01.03
申请人
发明人
分类号
E21B47/00;G01L1/22;(IPC1-7):G01L1/22
主分类号
E21B47/00
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代理人
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