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发明名称
Valve
摘要
申请公布号
US2977977(A)
申请公布日期
1961.04.04
申请号
US19580771593
申请日期
1958.11.03
申请人
CAMERON IRON WORKS, INC.
发明人
PENNINGTON JOHN V.
分类号
F16K29/02
主分类号
F16K29/02
代理机构
代理人
主权项
地址
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