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发明名称
VALVE
摘要
申请公布号
US3557812(A)
申请公布日期
1971.01.26
申请号
USD3557812
申请日期
1969.08.15
申请人
GENERAL MOTORS CORP.
发明人
ROWLAND L. STEDFELD
分类号
F16K17/14;G01F1/26;(IPC1-7):F16K17/14;F16K31/12
主分类号
F16K17/14
代理机构
代理人
主权项
地址
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