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发明名称
Chain saw sharpening device
摘要
申请公布号
US3172307(A)
申请公布日期
1965.03.09
申请号
US19640355808
申请日期
1964.03.30
申请人
KEPHART JR CHARLES B
发明人
JR. CHARLES B. KEPHART,
分类号
B23D63/16
主分类号
B23D63/16
代理机构
代理人
主权项
地址
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