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摘要
申请公布号
SU22839(A1)
申请公布日期
1931.09.30
申请号
SU19300069807
申请日期
1930.05.10
申请人
SOKOLOV P.A.
发明人
SOKOLOV P.A.
分类号
B01D45/06
主分类号
B01D45/06
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