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发明名称
Valve
摘要
申请公布号
US2874924(A)
申请公布日期
1959.02.24
申请号
US19570672644
申请日期
1957.07.18
申请人
MAIRCO, INC.
发明人
GOOD ARTHUR L.
分类号
F16K17/00;F16K31/68;G05D23/12
主分类号
F16K17/00
代理机构
代理人
主权项
地址
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