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发明名称
A device for measuring the rate of increase of an integrated quantity
摘要
申请公布号
GB662770(A)
申请公布日期
1951.12.12
申请号
GB19490001310
申请日期
1949.01.17
申请人
LANDIS & GYR S.A.
发明人
分类号
G01K17/12
主分类号
G01K17/12
代理机构
代理人
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