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经营范围
发明名称
Improvements in or relating to liquid meters
摘要
申请公布号
GB625993(A)
申请公布日期
1949.07.07
申请号
GB19470009344
申请日期
1947.04.08
申请人
AVERY-HARDOLL LIMITED;JOHN FRASER
发明人
分类号
G01F3/18
主分类号
G01F3/18
代理机构
代理人
主权项
地址
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