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发明名称
Antisiphon silencer for ball cocks
摘要
申请公布号
US2581043(A)
申请公布日期
1952.01.01
申请号
US19450592691
申请日期
1945.05.08
申请人
OWENS JESSE C
发明人
OWENS JESSE C.
分类号
E03C1/10;F16K31/20;F16K47/02
主分类号
E03C1/10
代理机构
代理人
主权项
地址
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