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发明名称
Pipe cleaning machine
摘要
申请公布号
US2365984(A)
申请公布日期
1944.12.26
申请号
US19420456407
申请日期
1942.08.27
申请人
ELVIN WARREN JESSE
发明人
WARREN JESSE ELVIN
分类号
B08B9/02;B08B9/023
主分类号
B08B9/02
代理机构
代理人
主权项
地址
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