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发明名称
Verbolzung fuer Ausbau von Untertageraeumen
摘要
申请公布号
DE1058456(B)
申请公布日期
1959.06.04
申请号
DE1956R019098
申请日期
1956.06.20
申请人
DR.-ING. HEINZ RECKER
发明人
RECKER DR.-ING. HEINZ
分类号
E21D11/28
主分类号
E21D11/28
代理机构
代理人
主权项
地址
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