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发明名称
VALVE
摘要
申请公布号
US3478777(A)
申请公布日期
1969.11.18
申请号
USD3478777
申请日期
1967.05.12
申请人
BELL AEROSPACE CORP.
发明人
ROBERT G. BRENT
分类号
F16K17/10;F15B11/02;F15B11/028;F15B13/02;G05D16/10;G05D16/18;(IPC1-7):F15B21/04
主分类号
F16K17/10
代理机构
代理人
主权项
地址
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