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发明名称
Valve construction
摘要
申请公布号
US2718373(A)
申请公布日期
1955.09.20
申请号
US19510222823
申请日期
1951.04.25
申请人
HENRY GUY J
发明人
HENRY GUY J.
分类号
F16K1/48
主分类号
F16K1/48
代理机构
代理人
主权项
地址
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