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发明名称
Portable grinding stand
摘要
申请公布号
US2447618(A)
申请公布日期
1948.08.24
申请号
US19470782859
申请日期
1947.10.29
申请人
NICHOLSON HARLOW W
发明人
NICHOLSON HARLOW W.
分类号
B24B41/00
主分类号
B24B41/00
代理机构
代理人
主权项
地址
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