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发明名称
BEHAELTER FUER WASSERSPERREN IM UNTERTAGEBERGBAU
摘要
申请公布号
DE6605677(U)
申请公布日期
1970.06.18
申请号
DE19660005677U
申请日期
1968.02.03
申请人
BERGWERKSVERBAND GMBH
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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