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发明名称
Attachment for spectacles
摘要
申请公布号
US2842029(A)
申请公布日期
1958.07.08
申请号
US19540474883
申请日期
1954.12.13
申请人
AARON ROTH
发明人
ROTH AARON
分类号
G02C5/12;G02C9/00
主分类号
G02C5/12
代理机构
代理人
主权项
地址
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