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发明名称
Improvements relating to spark machining apparatus
摘要
申请公布号
GB843547(A)
申请公布日期
1960.08.04
申请号
GB19560025027
申请日期
1956.08.16
申请人
G.K.N. GROUP SERVICES LIMITED
发明人
HARRIS MICHAEL JOHN
分类号
B23H1/02
主分类号
B23H1/02
代理机构
代理人
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地址
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