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发明名称
OPTICAL DEVICE
摘要
申请公布号
GB1374495(A)
申请公布日期
1974.11.20
申请号
GB19720039482
申请日期
1972.08.24
申请人
ISCO OPTISCHE WERKE GMBH
发明人
分类号
G02B7/00;G03B3/02;G03B19/18;(IPC1-7):G02B7/00
主分类号
G02B7/00
代理机构
代理人
主权项
地址
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