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发明名称
Spectacles for the use of television viewers
摘要
申请公布号
GB774137(A)
申请公布日期
1957.05.08
申请号
GB19540028072
申请日期
1954.09.29
申请人
ARTHUR ABPLANALP
发明人
分类号
G02C7/16
主分类号
G02C7/16
代理机构
代理人
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