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经营范围
发明名称
OPTICAL SCREEN
摘要
申请公布号
SU998999(A1)
申请公布日期
1983.02.23
申请号
SU19792817022
申请日期
1979.09.12
申请人
MELITOPOLSKIJ I MEKH SELSKOGO KHOZYAJSTVA
发明人
VAGANOV VIKTOR A,SU
分类号
(IPC1-7):G02B27/17
主分类号
(IPC1-7):G02B27/17
代理机构
代理人
主权项
地址
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