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发明名称
AUSBAUELEMENT FUER UNTERTAETIGE GRUBENBETRIEBE.
摘要
申请公布号
DE1932213(U)
申请公布日期
1966.02.10
申请号
DE196500G1959U
申请日期
1965.03.19
申请人
GULLICK LIMITED
发明人
分类号
E21D23/00;E21D23/04
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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