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经营范围
发明名称
SPARK MACHINING APPARATUS
摘要
申请公布号
CA597454(A)
申请公布日期
1960.05.03
申请号
CAD597454
申请日期
申请人
G. K. N. GROUP SERVICES LIMITED
发明人
MICHAEL J. HARRIS
分类号
主分类号
代理机构
代理人
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