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发明名称
Verfahren zur Untersuchung von Gebirge im Bergbau auf Zonen erhoehter Spannung
摘要
申请公布号
DE1207323(B)
申请公布日期
1965.12.23
申请号
DE1963B074702
申请日期
1963.12.17
申请人
BERGWERKSVERBAND G.M.B.H.
发明人
JAHNS DR. HANS
分类号
E21F7/00
主分类号
E21F7/00
代理机构
代理人
主权项
地址
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