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发明名称
Device for sharpening hypodermic needles and other instruments
摘要
申请公布号
US2663976(A)
申请公布日期
1953.12.29
申请号
US19490130304
申请日期
1949.11.30
申请人
JACOBY JR GEORGE W
发明人
JR. GEORGE W. JACOBY,
分类号
B24B19/16
主分类号
B24B19/16
代理机构
代理人
主权项
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