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经营范围
发明名称
Машина для очистки наружной поверхности труб
摘要
申请公布号
SU112900(A1)
申请公布日期
1957.11.30
申请号
SU19560562399
申请日期
1956.09.28
申请人
GRACHEV N.I.
发明人
GRACHEV N.I.
分类号
B24C3/08
主分类号
B24C3/08
代理机构
代理人
主权项
地址
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