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摘要
申请公布号
SU65700(A1)
申请公布日期
1945.11.30
申请号
SU19430004279
申请日期
1943.05.31
申请人
SYCHEV V.V.
发明人
SYCHEV V.V.
分类号
C14C3/04
主分类号
C14C3/04
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