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经营范围
发明名称
Sharpening machine
摘要
申请公布号
US1967118(A)
申请公布日期
1934.07.17
申请号
US19340706732
申请日期
1934.01.15
申请人
GLASGOW ROBERT E L
发明人
GLASGOW ROBERT E. L.
分类号
B24B3/42
主分类号
B24B3/42
代理机构
代理人
主权项
地址
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