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发明名称
Valve construction
摘要
申请公布号
US2707494(A)
申请公布日期
1955.05.03
申请号
US19510230333
申请日期
1951.06.07
申请人
VULCAN RESEARCH CORPORATION
发明人
WESTLING CARL J.
分类号
F16K3/10
主分类号
F16K3/10
代理机构
代理人
主权项
地址
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