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发明名称
Verfahren zur bergmaennischen Herstellung unterirdischer Raeume nach System Berger
摘要
申请公布号
DE1534598(A1)
申请公布日期
1969.06.26
申请号
DE19651534598
申请日期
1965.12.10
申请人
BERGER,DR.-ING. HERMANN
发明人
HERMANN BERGER,DR.-ING.
分类号
E21D13/00
主分类号
E21D13/00
代理机构
代理人
主权项
地址
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