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发明名称
Knife grinder
摘要
申请公布号
US1773564(A)
申请公布日期
1930.08.19
申请号
US19280279351
申请日期
1928.05.21
申请人
HARRY WITZLEBEN
发明人
WITZLEBEN HARRY
分类号
B24B3/54
主分类号
B24B3/54
代理机构
代理人
主权项
地址
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