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发明名称
Irrigation gate valve
摘要
申请公布号
US3033514(A)
申请公布日期
1962.05.08
申请号
US19590797998
申请日期
1959.03.09
申请人
GROSCH GOTTLIEB W
发明人
GROSCH GOTTLIEB W.
分类号
A01G25/16;F16K1/00
主分类号
A01G25/16
代理机构
代理人
主权项
地址
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