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发明名称
SPIEGELPOLYGON
摘要
申请公布号
DD151830(A1)
申请公布日期
1981.11.04
申请号
DD19800222240
申请日期
1980.06.30
申请人
SPECHT,EKKEHARD,DD
发明人
SPECHT,EKKEHARD,DD
分类号
(IPC1-7):G02B27/17
主分类号
(IPC1-7):G02B27/17
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代理人
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