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发明名称
VORRICHTUNG ZUM UEBERWACHEN DER AUSLASSVERSCHLUSSVERRIEGELUNG EINES BERGBAU- SCHACHTFOERDERGEFAESSES.
摘要
申请公布号
DE1948466(U)
申请公布日期
1966.10.27
申请号
DE196400G0400U
申请日期
1964.06.27
申请人
GUTEHOFFNUNGSHUETTE STERKRADE AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
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