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发明名称
Improvements in indicating the character and depth of liquids in containers
摘要
申请公布号
GB370555(A)
申请公布日期
1932.04.14
申请号
GB19310004043
申请日期
1931.02.09
申请人
WILLIAM JAMES URQUHART
发明人
分类号
G01F23/16
主分类号
G01F23/16
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