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发明名称
Anordnung zur Einleitung von Frischwettern in Grubenraeume
摘要
申请公布号
DE1124902(B)
申请公布日期
1962.03.08
申请号
DE1956J011277
申请日期
1956.02.09
申请人
DIPL.-ING. DR. FRANZ JANSEN
发明人
JANSEN DR.-ING. FRANZ
分类号
E21F1/00
主分类号
E21F1/00
代理机构
代理人
主权项
地址
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