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发明名称
ANORDNUNG ZUR FREIFLAECHENUEBERWACHUNG
摘要
申请公布号
DD302907(A7)
申请公布日期
1992.05.07
申请号
DD19870302907
申请日期
1987.05.19
申请人
VEB CARL ZEISS JENA BFSR
发明人
分类号
G08B;(IPC1-7):G08B/
主分类号
G08B
代理机构
代理人
主权项
地址
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