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经营范围
发明名称
Pipe cleaner with resilient cleaning wheel
摘要
申请公布号
US2960709(A)
申请公布日期
1960.11.22
申请号
US19580773892
申请日期
1958.11.14
申请人
PEAKER PAUL R;BUCKNER LAUREL W
发明人
PEAKER PAUL R.;BUCKNER LAUREL W.
分类号
B08B9/04;B08B9/043
主分类号
B08B9/04
代理机构
代理人
主权项
地址
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