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发明名称
VORRICHTUNG ZUR BEWETTERUNG UND KUEHLUNG VON ARBEITSPLAETZEN, INSBESONDERE IM UNTERTAEGIGEN BERGBAU, UNTER VERWENDUNG VON FRISCHLUFTLEITUNGEN.
摘要
申请公布号
DE1979112(U)
申请公布日期
1968.02.22
申请号
DE196600H5074U
申请日期
1966.03.29
申请人
HEINZ HOELTER
发明人
HEINZ HOELTER
分类号
主分类号
代理机构
代理人
主权项
地址
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