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经营范围
发明名称
Improvements in or relating to spectacle hinge mounts and trims
摘要
申请公布号
GB791505(A)
申请公布日期
1958.03.05
申请号
GB19550026642
申请日期
1955.09.16
申请人
AMERICAN OPTICAL COMPANY
发明人
分类号
G02C5/22
主分类号
G02C5/22
代理机构
代理人
主权项
地址
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