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发明名称
Saw sharpener
摘要
申请公布号
US2805587(A)
申请公布日期
1957.09.10
申请号
US19520281855
申请日期
1952.04.11
申请人
GOEHLE NELSON C
发明人
GOEHLE NELSON C.
分类号
B23D63/16
主分类号
B23D63/16
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