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摘要
申请公布号
SU95610(A1)
申请公布日期
1953.11.30
申请号
SU19520445660
申请日期
1952.12.04
申请人
PERSHINA E.P.
发明人
PERSHINA E.P.
分类号
C14C1/02
主分类号
C14C1/02
代理机构
代理人
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