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发明名称
Rotary tool for scraping tube interiors
摘要
申请公布号
US2599077(A)
申请公布日期
1952.06.03
申请号
US19480047811
申请日期
1948.09.04
申请人
STURGIS CHARLES E
发明人
STURGIS CHARLES E.
分类号
F28G3/12
主分类号
F28G3/12
代理机构
代理人
主权项
地址
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