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经营范围
发明名称
Gate valve construction
摘要
申请公布号
US2401377(A)
申请公布日期
1946.06.04
申请号
US19420467117
申请日期
1942.11.27
申请人
THE MAYTAG COMPANY
发明人
SMITH THOMAS R.
分类号
F16K3/12
主分类号
F16K3/12
代理机构
代理人
主权项
地址
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