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发明名称
Maschine zum Vortrieb von Tunneln und Stollen
摘要
申请公布号
DE2112695(A1)
申请公布日期
1972.09.28
申请号
DE19712112695
申请日期
1971.03.17
申请人
SALZGITTER MASCHINEN AG
发明人
VOGEL,RUDOLF,DR.-ING.
分类号
E21B7/02;E21D9/00;E21D9/10;E21D9/12
主分类号
E21B7/02
代理机构
代理人
主权项
地址
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