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发明名称
Verfahren zur Verfestigung sowie inneren und aeusseren Konservierung von Kohle
摘要
申请公布号
DE1163276(B)
申请公布日期
1964.02.20
申请号
DE1961B065308
申请日期
1961.12.22
申请人
BERGWERKSVERBAND G.M.B.H.
发明人
NOVOTNY DR. RUDOLF A.;BREDENBRUCH DIPL.-ING. DIPL.-BERGING. ERNST;FRUEHBUSS DR. HEINRICH
分类号
E21D9/00
主分类号
E21D9/00
代理机构
代理人
主权项
地址
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