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发明名称
Device for setting the edges of scrapers
摘要
申请公布号
US1855587(A)
申请公布日期
1932.04.26
申请号
US19290393227
申请日期
1929.09.17
申请人
WILLIAM POTTER
发明人
POTTER WILLIAM
分类号
B24D15/06
主分类号
B24D15/06
代理机构
代理人
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