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发明名称
Hydrometer with adjustable scale
摘要
申请公布号
GB2170608(A)
申请公布日期
1986.08.06
申请号
GB19850002897
申请日期
1985.02.05
申请人
* COAL INDUSTRY
发明人
DAVID JOHN ALEXANDER * MCCAFFREY
分类号
G01N9/12;(IPC1-7):G01N9/12
主分类号
G01N9/12
代理机构
代理人
主权项
地址
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