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发明名称
Gate valve and seat assembly therefor
摘要
申请公布号
US2934313(A)
申请公布日期
1960.04.26
申请号
US19570637909
申请日期
1957.02.04
申请人
CAMERON IRON WORKS, INC.
发明人
ALLEN HERBERT
分类号
F16K3/02;F16K27/04
主分类号
F16K3/02
代理机构
代理人
主权项
地址
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