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发明名称
Роликовая мельница
摘要
申请公布号
SU25847(A1)
申请公布日期
1932.03.31
申请号
SU19300076993
申请日期
1930.10.04
申请人
DEMIN E.I.
发明人
DEMIN E.I.
分类号
B02C15/10
主分类号
B02C15/10
代理机构
代理人
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