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发明名称
Valve
摘要
申请公布号
US2590318(A)
申请公布日期
1952.03.25
申请号
US19480043031
申请日期
1948.08.07
申请人
ALTON BOX BOARD COMPANY
发明人
HOLLIS ROBERT F.
分类号
F16K1/38
主分类号
F16K1/38
代理机构
代理人
主权项
地址
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