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发明名称
Safety vent valve
摘要
申请公布号
US2112641(A)
申请公布日期
1938.03.29
申请号
US19360102486
申请日期
1936.09.25
申请人
A. W. WHEATON BRASS WORKS
发明人
WHEATON ABRAM W.
分类号
F16K17/19
主分类号
F16K17/19
代理机构
代理人
主权项
地址
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