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发明名称
Antisiphon valve
摘要
申请公布号
US2461830(A)
申请公布日期
1949.02.15
申请号
US19450580123
申请日期
1945.02.28
申请人
MAHON THOMAS C
发明人
MAHON THOMAS C.
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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