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发明名称
Spectacles
摘要
申请公布号
US1881132(A)
申请公布日期
1932.10.04
申请号
US19300466225
申请日期
1930.07.07
申请人
JULIUS RHEINBERG
发明人
RHEINBERG JULIUS
分类号
G02C7/08;G02C9/02
主分类号
G02C7/08
代理机构
代理人
主权项
地址
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