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经营范围
发明名称
Штанговый шагающий скребок
摘要
申请公布号
SU117888(A1)
申请公布日期
1958.11.30
申请号
SU19580597440
申请日期
1958.04.14
申请人
GORYNTSEV L.M.
发明人
GORYNTSEV L.M.
分类号
E21B37/02;B08B9/04
主分类号
E21B37/02
代理机构
代理人
主权项
地址
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