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发明名称
Flush tank silencer
摘要
申请公布号
US2320906(A)
申请公布日期
1943.06.01
申请号
US19410417883
申请日期
1941.11.05
申请人
JANET M. BALES
发明人
BENT FRANKLIN
分类号
E03D11/00
主分类号
E03D11/00
代理机构
代理人
主权项
地址
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