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发明名称
Apparatus for automatically flushing sewers
摘要
申请公布号
US1929638(A)
申请公布日期
1933.10.10
申请号
US19310579184
申请日期
1931.12.05
申请人
JEWELL HOWARD W
发明人
JEWELL HOWARD W.
分类号
E03F5/04
主分类号
E03F5/04
代理机构
代理人
主权项
地址
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