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发明名称
Sharpening device for chain saws
摘要
申请公布号
GB615444(A)
申请公布日期
1949.01.06
申请号
GB19450031900
申请日期
1945.11.26
申请人
PIERRE PAUL KLOMP
发明人
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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