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经营范围
发明名称
Automatic waterer
摘要
申请公布号
US1961092(A)
申请公布日期
1934.05.29
申请号
US19330679939
申请日期
1933.07.11
申请人
SMITH LEONARD A
发明人
SMITH LEONARD A.
分类号
A01K39/024
主分类号
A01K39/024
代理机构
代理人
主权项
地址
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