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发明名称
Zugfeste Verbindung von Grubenausbaurahmen miteinander
摘要
申请公布号
DE955402(C)
申请公布日期
1957.01.03
申请号
DE1953W010709
申请日期
1953.03.05
申请人
WESTFALENHUETTE AKTIENGESELLSCHAFT;LORENZ-POLYGON-AUSBAU G.M.B.H.
发明人
DUSCHA FRIEDRICH;ERDMANN HERBERT
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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