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发明名称
Mechanically cleaned screen unit
摘要
申请公布号
US2634863(A)
申请公布日期
1953.04.14
申请号
US19490131560
申请日期
1949.12.07
申请人
THE AMERICAN WELL WORKS
发明人
HAUER GERALD E.
分类号
E02B8/02
主分类号
E02B8/02
代理机构
代理人
主权项
地址
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