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发明名称
IRRIGATION GAUGE
摘要
申请公布号
US3443420(A)
申请公布日期
1969.05.13
申请号
USD3443420
申请日期
1967.05.19
申请人
WALTER C. MCMAHAN
发明人
WALTER C. MCMAHAN
分类号
E02D1/02;G01F23/00;(IPC1-7):G01F23/02
主分类号
E02D1/02
代理机构
代理人
主权项
地址
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