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发明名称
APPARATUS FOR GENERATING OPTICAL SYMBOLS FOR RECORDING ON A PHOTOCHROMIC MATERIAL
摘要
申请公布号
SU681440(A1)
申请公布日期
1979.08.25
申请号
SU19711660308
申请日期
1971.05.24
申请人
ORELKIN NIKOLAJ F,SU;VASILEV LEV N,SU;ROLBIN SEMEN M,SU
发明人
ORELKIN NIKOLAJ F,SU;VASILEV LEV N,SU;ROLBIN SEMEN M,SU
分类号
(IPC1-7):G06K15/20
主分类号
(IPC1-7):G06K15/20
代理机构
代理人
主权项
地址
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