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发明名称
Elbow vacuum valve
摘要
申请公布号
US3273854(A)
申请公布日期
1966.09.20
申请号
US19630307963
申请日期
1963.09.10
申请人
GROVE VALVE AND REGULATOR COMPANY
发明人
BRYANT AUSTIN U.
分类号
F16K1/20;F16K51/02
主分类号
F16K1/20
代理机构
代理人
主权项
地址
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