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发明名称
SPECTACLES
摘要
申请公布号
GB8705330(D0)
申请公布日期
1987.04.08
申请号
GB19870005330
申请日期
1987.03.06
申请人
PLATINUM PEN CO LTD
发明人
分类号
G02C3/04;G02C5/00;G02C7/08;G02C11/00;(IPC1-7):H04L1/00
主分类号
G02C3/04
代理机构
代理人
主权项
地址
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