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发明名称
Poppet valve
摘要
申请公布号
US2364812(A)
申请公布日期
1944.12.12
申请号
US19410398076
申请日期
1941.06.14
申请人
UNION CARBIDE AND CARBON CORPORATION
发明人
PIERSON RALPH C.
分类号
F16K17/04
主分类号
F16K17/04
代理机构
代理人
主权项
地址
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