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发明名称
An improved device for measuring the deflection of a concrete slab of a road
摘要
申请公布号
GB2042192(A)
申请公布日期
1980.09.17
申请号
GB19800000495
申请日期
1980.01.08
申请人
BALFOUR BEATTY LTD
发明人
分类号
G01B5/30;G01D5/04;(IPC1-7):G01N19/08;G01B5/18
主分类号
G01B5/30
代理机构
代理人
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