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发明名称
Vacuum breaker
摘要
申请公布号
US2663309(A)
申请公布日期
1953.12.22
申请号
US19490133456
申请日期
1949.12.16
申请人
SLOAN VALVE COMPANY
发明人
FILLIUNG JACQUES J.
分类号
B63H1/04;E03C1/10
主分类号
B63H1/04
代理机构
代理人
主权项
地址
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