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经营范围
发明名称
CONDENSER LENS
摘要
申请公布号
PL120460(B1)
申请公布日期
1982.03.31
申请号
PL19780212374
申请日期
1978.12.30
申请人
发明人
分类号
G02B;G02B19/00;(IPC1-7):G02B19/00
主分类号
G02B
代理机构
代理人
主权项
地址
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