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发明名称
Tool for cleaning pipes and fittings
摘要
申请公布号
US2551875(A)
申请公布日期
1951.05.08
申请号
US19480059553
申请日期
1948.11.12
申请人
COTTON JESSE E
发明人
COTTON JESSE E.
分类号
B08B1/00;B08B9/023;B23D79/00
主分类号
B08B1/00
代理机构
代理人
主权项
地址
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