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经营范围
发明名称
Multi angle spirit level
摘要
申请公布号
GB2331582(A)
申请公布日期
1999.05.26
申请号
GB19970024383
申请日期
1997.11.19
申请人
DEREK JOHN * MURPHY
发明人
DEREK JOHN * MURPHY
分类号
G01C9/26;(IPC1-7):G01C9/28
主分类号
G01C9/26
代理机构
代理人
主权项
地址
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