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发明名称
METHOD OF DETERMINING THE PROFILE OF AN UNDERGROUND PASSAGEWAY
摘要
申请公布号
GB2198606(B)
申请公布日期
1990.09.05
申请号
GB19860028734
申请日期
1986.12.02
申请人
* COAL INDUSTRY
发明人
NICHOLAS * MARSHALL
分类号
G01B15/04;G01S13/89
主分类号
G01B15/04
代理机构
代理人
主权项
地址
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