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经营范围
发明名称
Spectacles and eyeglass frames
摘要
申请公布号
GB418961(A)
申请公布日期
1934.11.02
申请号
GB19340013653
申请日期
1934.05.05
申请人
FRITZ BOCK
发明人
分类号
G02C5/12
主分类号
G02C5/12
代理机构
代理人
主权项
地址
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