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发明名称
Способ безболтового крепления футеровки барабанных мельниц
摘要
申请公布号
SU90136(A1)
申请公布日期
1950.11.30
申请号
SU19500414756
申请日期
1950.03.21
申请人
BOLTALOV E.N.
发明人
BOLTALOV E.N.
分类号
B02C17/22
主分类号
B02C17/22
代理机构
代理人
主权项
地址
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