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经营范围
发明名称
SIGHT TESTING APPARATUS
摘要
申请公布号
GB8708220(D0)
申请公布日期
1987.05.13
申请号
GB19870008220
申请日期
1987.04.07
申请人
LEY, N G
发明人
分类号
A61B3/028
主分类号
A61B3/028
代理机构
代理人
主权项
地址
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