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发明名称
IMPROVEMENTS IN OR RELATING TO SURVEYING TECHNIQUES
摘要
申请公布号
GB2146768(B)
申请公布日期
1986.11.05
申请号
GB19830025086
申请日期
1983.09.20
申请人
* COAL INDUSTRY
发明人
CONRAD HENRY MACKLE * CULKIN
分类号
G01C15/02;(IPC1-7):G01C15/06
主分类号
G01C15/02
代理机构
代理人
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地址
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