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发明名称
Abrading implement
摘要
申请公布号
US2771722(A)
申请公布日期
1956.11.27
申请号
US19540474669
申请日期
1954.12.13
申请人
ALBERT FIELD
发明人
FIELD ALBERT
分类号
B24D13/08
主分类号
B24D13/08
代理机构
代理人
主权项
地址
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