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经营范围
发明名称
Pipe cleaning cutter
摘要
申请公布号
US2323727(A)
申请公布日期
1943.07.06
申请号
US19410414637
申请日期
1941.10.11
申请人
PITTSBURGH PIPE CLEANER COMPANY
发明人
ROBINSON KYLE I.;ROBINSON LAWRENCE R.
分类号
B08B9/04
主分类号
B08B9/04
代理机构
代理人
主权项
地址
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