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发明名称
Skate sharpener
摘要
申请公布号
US2181923(A)
申请公布日期
1939.12.05
申请号
US19380223339
申请日期
1938.08.05
申请人
SMOLAREK ZENON M
发明人
SMOLAREK ZENON M.
分类号
B24B3/00
主分类号
B24B3/00
代理机构
代理人
主权项
地址
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