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发明名称
Method of making lenses
摘要
申请公布号
US2151509(A)
申请公布日期
1939.03.21
申请号
US19350021213
申请日期
1935.05.13
申请人
AMERICAN OPTICAL COMPANY
发明人
GODDU LLOYD W.
分类号
B24B13/02
主分类号
B24B13/02
代理机构
代理人
主权项
地址
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