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发明名称
Verfahren und Einrichtung zur Kuehlung der Wetter von Abbau- und Streckenvortriebs-Betrieben
摘要
申请公布号
DE963686(C)
申请公布日期
1957.05.09
申请号
DE1953G011439
申请日期
1953.04.05
申请人
GUTEHOFFNUNGSHUETTE STERKRADE AKTIENGESELLSCHAFT
发明人
DUFEY DIPL.-ING. EDUARD
分类号
E21F3/00
主分类号
E21F3/00
代理机构
代理人
主权项
地址
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