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经营范围
发明名称
Frangible rod and disk type safety valve
摘要
申请公布号
US1970718(A)
申请公布日期
1934.08.21
申请号
US19320585718
申请日期
1932.01.09
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
TRYON RICHARD W.;BOOTH GEORGE M.
分类号
F16K17/14
主分类号
F16K17/14
代理机构
代理人
主权项
地址
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