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发明名称
Plastic brace bar spectacle with pivoting lens connections
摘要
申请公布号
US2474119(A)
申请公布日期
1949.06.21
申请号
US19450624667
申请日期
1945.10.26
申请人
SHURON OPTICAL COMPANY, INC.
发明人
ROHRBACH JOHN J.
分类号
G02C1/02;G02C1/04
主分类号
G02C1/02
代理机构
代理人
主权项
地址
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