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经营范围
发明名称
VERFAHREN ZUM ABTEUFEN VON SCHAECHTEN IN NICHT STANDFESTEM GEBIRGE UND SCHILDVORTRIEBSVORRICHTUNG ZUR DURCHFUEHRUNG DES VERFAHRENS
摘要
申请公布号
DE2544834(B2)
申请公布日期
1978.01.12
申请号
DE19752544834
申请日期
1975.10.07
申请人
发明人
分类号
E21D1/06;E21D1/08;(IPC1-7):E21D1/03
主分类号
E21D1/06
代理机构
代理人
主权项
地址
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