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发明名称
Water meter
摘要
申请公布号
US1834025(A)
申请公布日期
1931.12.01
申请号
US19280261351
申请日期
1928.03.13
申请人
ERNEST GRANGER
发明人
GRANGER ERNEST
分类号
G01F3/08
主分类号
G01F3/08
代理机构
代理人
主权项
地址
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