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发明名称
Apparatus for filing and jointing saw chains
摘要
申请公布号
US3038355(A)
申请公布日期
1962.06.12
申请号
US19580719894
申请日期
1958.03.07
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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