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发明名称
Contact lenses
摘要
申请公布号
GB620852(A)
申请公布日期
1949.03.31
申请号
GB19460033220
申请日期
1946.11.08
申请人
RAOUL FRITZ;ADRIEN FRITZ
发明人
分类号
G02C7/04
主分类号
G02C7/04
代理机构
代理人
主权项
地址
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