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发明名称
Vorrichtung zur Beseitigung von lungengaengigen Staeuben aus den Wettern in Bergwerksbetrieben
摘要
申请公布号
DE1103864(B)
申请公布日期
1961.04.06
申请号
DE1956W022425
申请日期
1956.07.16
申请人
EMIL WILMS
发明人
WILMS EMIL;WILMS HERMANN
分类号
E21F5/00
主分类号
E21F5/00
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代理人
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