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经营范围
发明名称
Cadre de soutènement mobile, pour le fond des mines
摘要
申请公布号
FR1264673(A)
申请公布日期
1961.06.23
申请号
FR19600827229
申请日期
1960.05.14
申请人
BWG BERGWERK- UND WALZWERK-MASCHINENBAU G.M.B.H.
发明人
分类号
E21D17/02;E21D23/06
主分类号
E21D17/02
代理机构
代理人
主权项
地址
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