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发明名称
Hand-operated abrader
摘要
申请公布号
US2457466(A)
申请公布日期
1948.12.28
申请号
US19450631297
申请日期
1945.11.28
申请人
HANNA ATTO N
发明人
HANNA ATTO N.
分类号
B24D15/02
主分类号
B24D15/02
代理机构
代理人
主权项
地址
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