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摘要
申请公布号
SU83653(A1)
申请公布日期
1949.11.30
申请号
SU19490390490
申请日期
1949.01.17
申请人
BOLOTOV G.N.
发明人
BOLOTOV G.N.
分类号
G01G3/06
主分类号
G01G3/06
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