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发明名称
DEVICE FOR EXPERIMENTING VISUALLY IN CONVERGENCE, DIFFUSION OR THE LIKE OF LIGHT PASSING THROUGH LENS
摘要
申请公布号
JPH01243086(A)
申请公布日期
1989.09.27
申请号
JP19880070626
申请日期
1988.03.24
申请人
NAKAMURA RIKA KOGYO KK
发明人
HASEGAWA YASUSHIROU
分类号
G09B23/22;G01M11/02;G02B27/14
主分类号
G09B23/22
代理机构
代理人
主权项
地址
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