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经营范围
发明名称
Machine for sharpening screwing taps and the like
摘要
申请公布号
US1902240(A)
申请公布日期
1933.03.21
申请号
US19310554766
申请日期
1931.08.03
申请人
WILLIAM HUNT HERBERT;PERCY HUNT
发明人
HUNT HERBERT WILLIAM;HUNT PERCY
分类号
B24B3/18
主分类号
B24B3/18
代理机构
代理人
主权项
地址
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