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经营范围
发明名称
WIERTNICA DOLOWA
摘要
申请公布号
PL194978(A1)
申请公布日期
1978.07.03
申请号
PL19760194978
申请日期
1976.12.30
申请人
CZESCI ZAMIENNYCH MASZYN GORNI
发明人
PSZCZOLKA MIECZYSLAW;KULESZA JAN;JAROMIN ZYGMUNT;GACEK IZABELA;KOLEDA JAN;SIKORA AUGUSTYN
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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