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发明名称
Scraping tool
摘要
申请公布号
US2318585(A)
申请公布日期
1943.05.11
申请号
US19390260026
申请日期
1939.03.06
申请人
ABRAHAMSEN ALFRED W
发明人
ABRAHAMSEN ALFRED W.
分类号
B44D3/16
主分类号
B44D3/16
代理机构
代理人
主权项
地址
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