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发明名称
Dual safety valve assembly
摘要
申请公布号
US2608992(A)
申请公布日期
1952.09.02
申请号
US19470729260
申请日期
1947.02.18
申请人
AMERICAN CAR AND FOUNDRY COMPANY
发明人
FOLMSBEE CLYDE H.;MARTIS JEROME M.
分类号
F16K17/168;F16K43/00
主分类号
F16K17/168
代理机构
代理人
主权项
地址
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