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发明名称
Sun glass spectacles
摘要
申请公布号
US1968193(A)
申请公布日期
1934.07.31
申请号
US19330675938
申请日期
1933.06.15
申请人
EINSON-FREEMAN CO., INC.
发明人
EINSON MORRIS M.
分类号
G02C5/00;G02C7/10;G02C11/02
主分类号
G02C5/00
代理机构
代理人
主权项
地址
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