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经营范围
发明名称
Ophthalmic lens
摘要
申请公布号
US1990126(A)
申请公布日期
1935.02.05
申请号
US19320618194
申请日期
1932.06.20
申请人
AMERICAN OPTICAL COMPANY
发明人
LAABS MAX A.
分类号
B24B13/00;G02C7/06
主分类号
B24B13/00
代理机构
代理人
主权项
地址
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