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经营范围
发明名称
Shutoff valve
摘要
申请公布号
US2581071(A)
申请公布日期
1952.01.01
申请号
US19500166709
申请日期
1950.06.07
申请人
BORN PAUL L
发明人
BORN PAUL L.
分类号
G05D16/06
主分类号
G05D16/06
代理机构
代理人
主权项
地址
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