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经营范围
发明名称
Needle sharpening apparatus
摘要
申请公布号
US3043060(A)
申请公布日期
1962.07.10
申请号
US19590849369
申请日期
1959.10.28
申请人
COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANIZATION
发明人
BELL GEORGE ANKETELL;LOBB JAMES
分类号
B24B19/16
主分类号
B24B19/16
代理机构
代理人
主权项
地址
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