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发明名称
Water gauge
摘要
申请公布号
US1880847(A)
申请公布日期
1932.10.04
申请号
US19310547373
申请日期
1931.06.27
申请人
DALY JOHN J
发明人
DALY JOHN J.
分类号
主分类号
代理机构
代理人
主权项
地址
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