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发明名称
Instrument
摘要
申请公布号
US1977813(A)
申请公布日期
1934.10.23
申请号
US19310542115
申请日期
1931.06.04
申请人
AMERICAN OPTICAL COMPANY
发明人
TILLYER EDGAR D.
分类号
A61B3/12
主分类号
A61B3/12
代理机构
代理人
主权项
地址
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