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发明名称
METHOD OF AND APPARATUS FOR CALIBRATING ELECTRONIC TACHOMETERS
摘要
申请公布号
PL269865(A1)
申请公布日期
1989.07.10
申请号
PL19870269865
申请日期
1987.12.31
申请人
POLITECHNIKA WARSZAWSKA
发明人
IWASZKO JERZY
分类号
G01P;G01P21/02;(IPC1-7):G01P/
主分类号
G01P
代理机构
代理人
主权项
地址
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