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发明名称
Attachment for eyeglasses
摘要
申请公布号
US1973648(A)
申请公布日期
1934.09.11
申请号
US19330679784
申请日期
1933.07.10
申请人
WILLIE NAGEL
发明人
NAGEL WILLIE
分类号
G02C3/04;G02C5/14;G02C11/00
主分类号
G02C3/04
代理机构
代理人
主权项
地址
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