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发明名称
Rueckvorrichtung in Abbaubetrieben
摘要
申请公布号
DE1180337(B)
申请公布日期
1964.10.29
申请号
DE1962D040133
申请日期
1962.10.25
申请人
DOWTY MINING EQUIPMENT LIMITED
发明人
WINDER RICHARD HENRY BRYAN
分类号
E21F13/08
主分类号
E21F13/08
代理机构
代理人
主权项
地址
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