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经营范围
发明名称
Safety valve
摘要
申请公布号
US3403697(A)
申请公布日期
1968.10.01
申请号
US19640394557
申请日期
1964.09.04
申请人
BEACON MACHINERY, INC.
发明人
FENTON FRANK W.
分类号
F15B13/02;F16K17/04
主分类号
F15B13/02
代理机构
代理人
主权项
地址
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