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经营范围
发明名称
Vacuum breaker
摘要
申请公布号
US2226350(A)
申请公布日期
1940.12.24
申请号
US19340743976
申请日期
1934.09.14
申请人
SLOAN VALVE COMPANY
发明人
SLOAN WILLIAM E.;RUSSELL IRVING H.
分类号
E03C1/10
主分类号
E03C1/10
代理机构
代理人
主权项
地址
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