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经营范围
发明名称
Perfectionnements aux excavatrices, en particulier pour travail dans les mines
摘要
申请公布号
FR1488090(A)
申请公布日期
1967.07.07
申请号
FR19660071541
申请日期
1966.07.29
申请人
COAL INDUSTRY (PATENTS) LIMITED
发明人
分类号
E02F3/348;E21D13/04
主分类号
E02F3/348
代理机构
代理人
主权项
地址
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