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发明名称
Valve
摘要
申请公布号
US2253594(A)
申请公布日期
1941.08.26
申请号
US19380238819
申请日期
1938.11.04
申请人
BETHLEHEM STEEL COMPANY
发明人
TOM-WILSON
分类号
F16K13/10
主分类号
F16K13/10
代理机构
代理人
主权项
地址
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