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经营范围
发明名称
Pipe cleaners
摘要
申请公布号
US2737957(A)
申请公布日期
1956.03.13
申请号
US19530355251
申请日期
1953.05.15
申请人
THAXTON BERNARD E
发明人
THAXTON BERNARD E.
分类号
A24F9/12
主分类号
A24F9/12
代理机构
代理人
主权项
地址
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