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发明名称
PROJEKTIONSEINRICHTUNG FUER PLANETARIEN
摘要
申请公布号
DD153932(A1)
申请公布日期
1982.02.10
申请号
DD19800224826
申请日期
1980.10.30
申请人
KUEHN,GEBHARD,DD;KIEL,HANS-JUERGEN,DD
发明人
KUEHN,GEBHARD,DD;KIEL,HANS-JUERGEN,DD
分类号
G09B27/00;G03B21/00;G09B27/02;(IPC1-7):G09B27/02
主分类号
G09B27/00
代理机构
代理人
主权项
地址
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