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发明名称
DEVICE FOR DEMONSTRATING ADDITION OF TWO MUTUALLY PERPENDICULAR OSCILLATIONS
摘要
申请公布号
SU881815(A1)
申请公布日期
1981.11.15
申请号
SU19792814112
申请日期
1979.08.20
申请人
KI T I PISHCHEVOJ PROMYSHLENNOSTI
发明人
PROKOPENKO SAVVA L,SU;BRINK EVGENIJ F,SU;VERBITSKIJ BORIS I,SU
分类号
G09B23/06;(IPC1-7):G09B23/06
主分类号
G09B23/06
代理机构
代理人
主权项
地址
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