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经营范围
发明名称
Flush valve
摘要
申请公布号
US2214439(A)
申请公布日期
1940.09.10
申请号
US19400327713
申请日期
1940.04.03
申请人
GEORGE H. BAKER
发明人
ROBERTSON GEORGE LAWSON
分类号
E03D1/34
主分类号
E03D1/34
代理机构
代理人
主权项
地址
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