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发明名称
SPECTATOR AID
摘要
申请公布号
GB9218850(D0)
申请公布日期
1992.10.21
申请号
GB19920018850
申请日期
1992.09.05
申请人
BRIGSTOCK PHILIP A.
发明人
分类号
A45C9/00
主分类号
A45C9/00
代理机构
代理人
主权项
地址
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