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发明名称
Double action automatic watering valve
摘要
申请公布号
US2868222(A)
申请公布日期
1959.01.13
申请号
US19570703108
申请日期
1957.12.16
申请人
CUMBERLAND CASE COMPANY
发明人
ROBINSON CHARLES T.
分类号
A01K39/022
主分类号
A01K39/022
代理机构
代理人
主权项
地址
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