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发明名称
URZADZENIE DO OCZYSZCZANIA ZWLASZCZA PLUCZKI WIERTNICZEJ
摘要
申请公布号
PL203217(A1)
申请公布日期
1978.10.23
申请号
PL19770203217
申请日期
1977.12.20
申请人
INST GORNICTWA NAFTOWEGO I GAZ
发明人
TUREK TADEUSZ;SKRUCH JERZY;KAMINSKI JACEK;MLODECKI ZDZISLAW;WOLWOWICZ RYSZARD;GONET MARIAN;WILK JOZEF
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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