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发明名称
Sharpening mounting for disks
摘要
申请公布号
US2288691(A)
申请公布日期
1942.07.07
申请号
US19410396670
申请日期
1941.06.05
申请人
FENDER JOSEPH N
发明人
FENDER JOSEPH N.
分类号
B24B3/46
主分类号
B24B3/46
代理机构
代理人
主权项
地址
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