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经营范围
发明名称
Irrigation indicator
摘要
申请公布号
US3048032(A)
申请公布日期
1962.08.07
申请号
US19590792609
申请日期
1959.02.11
申请人
WINTER ERIC J
发明人
WINTER ERIC J.
分类号
G01N33/24
主分类号
G01N33/24
代理机构
代理人
主权项
地址
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