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经营范围
发明名称
Machine minière pour décaler les étançons
摘要
申请公布号
FR952087(A)
申请公布日期
1949.11.09
申请号
FRD952087
申请日期
1947.08.14
申请人
MAVOR & COULSON LIMITED
发明人
分类号
E21D15/60
主分类号
E21D15/60
代理机构
代理人
主权项
地址
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