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发明名称
Improvements in water meters
摘要
申请公布号
GB430697(A)
申请公布日期
1935.06.24
申请号
GB19340030231
申请日期
1934.10.22
申请人
PHILIP ARTHUR POTTER
发明人
分类号
G01F15/00
主分类号
G01F15/00
代理机构
代理人
主权项
地址
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