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发明名称
Hydraulic gate operating mechanism
摘要
申请公布号
US2186131(A)
申请公布日期
1940.01.09
申请号
US19380229069
申请日期
1938.09.09
申请人
S. MORGAN SMITH COMPANY
发明人
YOUNG ARTHUR
分类号
E02B7/36
主分类号
E02B7/36
代理机构
代理人
主权项
地址
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