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发明名称
URZADZENIE Z PIERSCIENIOWYM KUMULACYJNYM NABOJEM DO PRZECINANIA RUR W OTWORACH WIERTNICZYCH
摘要
申请公布号
PL192671(A1)
申请公布日期
1978.04.10
申请号
PL19760192671
申请日期
1976.09.24
申请人
TS OSRODEK BADAWACZO PROJ
发明人
IWASZKO JAN;GAJDA JAN;SEWERYN LUDWIK;KOZLOWSKI ZBIGNIEW;MIESZKALA GRZEGORZ
分类号
E21B;(IPC1-7):E21B/
主分类号
E21B
代理机构
代理人
主权项
地址
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