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经营范围
发明名称
Eyeglass construction
摘要
申请公布号
US1969145(A)
申请公布日期
1934.08.07
申请号
US19310524049
申请日期
1931.03.20
申请人
BAY STATE OPTICAL COMPANY
发明人
NERNEY GEORGE E.
分类号
G02C1/02
主分类号
G02C1/02
代理机构
代理人
主权项
地址
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