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发明名称
Flush tank valve control means
摘要
申请公布号
US2817849(A)
申请公布日期
1957.12.31
申请号
US19560595994
申请日期
1956.07.05
申请人
GEORGE HEWITT
发明人
HEWITT GEORGE
分类号
E03D1/14
主分类号
E03D1/14
代理机构
代理人
主权项
地址
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