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发明名称
Valve assembly for toilet flush tanks
摘要
申请公布号
US2737198(A)
申请公布日期
1956.03.06
申请号
US19540421241
申请日期
1954.04.06
申请人
ELLIOTT RAY N
发明人
ELLIOTT RAY N.
分类号
E03D1/32
主分类号
E03D1/32
代理机构
代理人
主权项
地址
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