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发明名称
LEVEL SURVEYING EQUIPMENT
摘要
申请公布号
GB1490296(A)
申请公布日期
1977.10.26
申请号
GB19750033876
申请日期
1976.08.13
申请人
PYNFORD LTD
发明人
分类号
G01C5/04;(IPC1-7):G01C5/04
主分类号
G01C5/04
代理机构
代理人
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