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发明名称
Vacuum breaker for faucets
摘要
申请公布号
US2740421(A)
申请公布日期
1956.04.03
申请号
US19530399924
申请日期
1953.12.23
申请人
CIRCLE VALVE CO.
发明人
MARTIN WILLIAM J.;CLARK JOHN F.
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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