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发明名称
Streckenvortriebsmaschine
摘要
申请公布号
DE2038428(A1)
申请公布日期
1972.02.17
申请号
DE19702038428
申请日期
1970.08.01
申请人
GREBE,KONRAD
发明人
GREBE,KONRAD
分类号
E21D9/10
主分类号
E21D9/10
代理机构
代理人
主权项
地址
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