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经营范围
发明名称
Automatic drinking fountain
摘要
申请公布号
US2836151(A)
申请公布日期
1958.05.27
申请号
US19540448351
申请日期
1954.08.06
申请人
JOHNSON EARL B
发明人
JOHNSON EARL B.
分类号
E03B9/20
主分类号
E03B9/20
代理机构
代理人
主权项
地址
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