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发明名称
URZADZENIE DO GLEBIENIA SZYBU Z ROWNOCZESNYM WZNOSZENIEM OBUDOWY
摘要
申请公布号
PL105323(B1)
申请公布日期
1979.10.31
申请号
PL19770195970
申请日期
1977.02.11
申请人
发明人
分类号
E21D5/12;(IPC1-7):E21D5/12
主分类号
E21D5/12
代理机构
代理人
主权项
地址
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