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发明名称
ZENITH ANGLE CONVERTER
摘要
申请公布号
SU992734(A1)
申请公布日期
1983.01.30
申请号
SU19813272445
申请日期
1981.04.02
申请人
UFIMSKIJ AVIATSIONNYJ I IM.SERGO ORDZHONIKIDZE
发明人
KOVSHOV GENNADIJ N,SU;SOLONINA NAFISA N,SU;BELOVA TATYANA S,SU
分类号
E21B47/022;G01C9/20;(IPC1-7):E21B47/02
主分类号
E21B47/022
代理机构
代理人
主权项
地址
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