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发明名称
FRESNELKONDENSOR
摘要
申请公布号
DD134394(A1)
申请公布日期
1979.02.21
申请号
DD19770202444
申请日期
1977.12.07
申请人
NEUMANN,JOERG,DD
发明人
NEUMANN,JOERG,DD
分类号
G02B3/08;(IPC1-7):G02B3/08
主分类号
G02B3/08
代理机构
代理人
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地址
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