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发明名称
Flush valve for water closets and the like
摘要
申请公布号
US2222856(A)
申请公布日期
1940.11.26
申请号
US19390296134
申请日期
1939.09.22
申请人
NATIONAL HYDROLATOR COMPANY, INC.
发明人
ROBERTSON GEORGE LAWSON;MORRIS VLON NEILAN
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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