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发明名称
Color-ranged LED display tachometer and the like
摘要
申请公布号
PHUM6885(Z)
申请公布日期
1989.09.27
申请号
PHUM10806U
申请日期
1989.05.11
申请人
发明人
分类号
G01P3/48;(IPC1-7):G01P3/48
主分类号
G01P3/48
代理机构
代理人
主权项
地址
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