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发明名称
SPIRIT LEVEL
摘要
申请公布号
EP1181502(A1)
申请公布日期
2002.02.27
申请号
EP20000920916
申请日期
2000.04.20
申请人
GAY, KELVIN RICHARD
发明人
GAY, KELVIN RICHARD
分类号
G01C9/28;(IPC1-7):G01C9/28
主分类号
G01C9/28
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