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发明名称
Ophthalmic instrument
摘要
申请公布号
US1970150(A)
申请公布日期
1934.08.14
申请号
US19310555682
申请日期
1931.08.07
申请人
PHILADELPHIA OPTICAL COMPANY
发明人
SIMMERMAN HAROLD
分类号
A61B3/024
主分类号
A61B3/024
代理机构
代理人
主权项
地址
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