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发明名称
NEAR-POINT CARDS FOR BINOCULAR REFRACTION
摘要
申请公布号
CA917477(A)
申请公布日期
1972.12.26
申请号
CAD917477
申请日期
申请人
AMERICAN OPTICAL CORPORATION
发明人
BERNARD GROLMAN
分类号
A61B3/02;(IPC1-7):A61B3/02;B32B31/04;B32B31/14
主分类号
A61B3/02
代理机构
代理人
主权项
地址
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