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发明名称
Eyeglass construction
摘要
申请公布号
US1984541(A)
申请公布日期
1934.12.18
申请号
US19330656412
申请日期
1933.02.13
申请人
BAY STATE OPTICAL COMPANY
发明人
NERNEY GEORGE E.
分类号
G02C1/02;G02C1/04
主分类号
G02C1/02
代理机构
代理人
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地址
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