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经营范围
发明名称
Ophthalmic mounting
摘要
申请公布号
US2300318(A)
申请公布日期
1942.10.27
申请号
US19390306915
申请日期
1939.11.30
申请人
AMERICAN OPTICAL COMPANY
发明人
SCHUMACHER ELMER L.
分类号
G02C5/22
主分类号
G02C5/22
代理机构
代理人
主权项
地址
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