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发明名称
Mehrstempliges Ausbauaggregat fuer den mechanisierten wandernden Ausbau von Abbaubetrieben
摘要
申请公布号
DE1483905(A1)
申请公布日期
1969.02.20
申请号
DE19661483905
申请日期
1966.08.02
申请人
GROETSCHEL,DIPL.-ING. KARL M.
发明人
M. GROETSCHEL,DIPL.-ING. KARL
分类号
E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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