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经营范围
发明名称
Chain saw sharpening and jointing apparatus
摘要
申请公布号
US2818752(A)
申请公布日期
1958.01.07
申请号
US19550519595
申请日期
1955.07.01
申请人
NYGRAN INDUSTRIES LTD.
发明人
GRANBERG ELOF
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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