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发明名称
Vorrichtung zur laufenden Feststellung des auf den Streckenausbau einwirkenden Gebirgsdruckes und der entsprechenden Druckrichtung
摘要
申请公布号
DE1129910(B)
申请公布日期
1962.05.24
申请号
DE1958I014817
申请日期
1958.05.12
申请人
INDUSTRIE- & BERGWERKSBEDARF RAAB & CIE. K. G.
发明人
RAAB HANS JOACHIM
分类号
E21D11/14
主分类号
E21D11/14
代理机构
代理人
主权项
地址
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