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发明名称
WANDERNDER STREBAUSBAU FUER UNTERTAEGIGE GRUBENBETRIEBE.
摘要
申请公布号
DE1964202(U)
申请公布日期
1967.07.20
申请号
DE1965G031636U
申请日期
1965.02.03
申请人
GULLICK LIMITED
发明人
分类号
E21D23/12;E21D23/14
主分类号
E21D23/12
代理机构
代理人
主权项
地址
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