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发明名称
Dispositif pour l'exploitation de tailles par rabotage
摘要
申请公布号
FR1180787(A)
申请公布日期
1959.06.09
申请号
FRD1180787
申请日期
1957.08.02
申请人
STEINKOHLENBERGBAUVEREIN
发明人
分类号
E21C35/14;E21D23/00
主分类号
E21C35/14
代理机构
代理人
主权项
地址
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