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发明名称
Adjustable vacuum breaker for flush valves
摘要
申请公布号
US2171734(A)
申请公布日期
1939.09.05
申请号
US19350044085
申请日期
1935.10.08
申请人
SCHMIEDEKNECHT VICTOR E
发明人
SCHMIEDEKNECHT VICTOR E.
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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