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发明名称
Baukoerper fuer Grubenausbau
摘要
申请公布号
DE721375(C)
申请公布日期
1942.06.03
申请号
DE1939B191424D
申请日期
1939.10.17
申请人
ADOLF BARON
发明人
BARON ADOLF
分类号
E21D11/06
主分类号
E21D11/06
代理机构
代理人
主权项
地址
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