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发明名称
Improvements in lenses
摘要
申请公布号
GB327752(A)
申请公布日期
1930.04.11
申请号
GB19290001088
申请日期
1929.01.11
申请人
UNITED KINGDOM OPTICAL COMPANY, LIMITED;EDWARD CULVER;ALFRED HENRY EMERSON
发明人
分类号
G02C7/06
主分类号
G02C7/06
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代理人
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地址
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