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发明名称
Valve
摘要
申请公布号
US2231614(A)
申请公布日期
1941.02.11
申请号
US19400327870
申请日期
1940.04.04
申请人
PAUL STOCK
发明人
BURKE KAY
分类号
F16K3/18
主分类号
F16K3/18
代理机构
代理人
主权项
地址
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