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发明名称
Cleaning device for waste or drain pipes
摘要
申请公布号
US1893979(A)
申请公布日期
1933.01.10
申请号
US19320592615
申请日期
1932.02.12
申请人
BARRERE JOHN P
发明人
BARRERE JOHN P.
分类号
E03C1/306
主分类号
E03C1/306
代理机构
代理人
主权项
地址
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