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经营范围
发明名称
Saw filing tool
摘要
申请公布号
US2440633(A)
申请公布日期
1948.04.27
申请号
US19460677565
申请日期
1946.06.18
申请人
HALL JOSEPH W
发明人
HALL JOSEPH W.
分类号
B23D63/00
主分类号
B23D63/00
代理机构
代理人
主权项
地址
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