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经营范围
发明名称
Устройство к рассевам с плоскими ситами
摘要
申请公布号
SU87438(A1)
申请公布日期
1949.11.30
申请号
SU19490392227
申请日期
1949.02.10
申请人
LEVINSON I.N.
发明人
LEVINSON I.N.
分类号
B07B1/46;B07B1/38
主分类号
B07B1/46
代理机构
代理人
主权项
地址
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