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经营范围
发明名称
Improvements in or relating to spectacle frames
摘要
申请公布号
GB820331(A)
申请公布日期
1959.09.16
申请号
GB19560036430
申请日期
1956.11.28
申请人
BRITISH AMERICAN OPTICAL COMPANY LIMITED;SALVATOR FERRIGNO
发明人
分类号
G02C1/06
主分类号
G02C1/06
代理机构
代理人
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