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发明名称
EDUCATIONAL APPLIANCE ON GEOMETRICAL OPTICS
摘要
申请公布号
SU783742(A1)
申请公布日期
1980.11.30
申请号
SU19792709010
申请日期
1979.01.04
申请人
MENYAJLENKO VLADLEN N,SU;SLYUSAR VIKTOR V,SU
发明人
MENYAJLENKO VLADLEN N,SU;SLYUSAR VIKTOR V,SU
分类号
G02B3/12;G09B23/22;(IPC1-7):G02B3/12
主分类号
G02B3/12
代理机构
代理人
主权项
地址
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