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发明名称
Improvements in spark discharge machining apparatus
摘要
申请公布号
GB800449(A)
申请公布日期
1958.08.27
申请号
GB19550000601
申请日期
1955.01.07
申请人
CENTRE NATIONAL DE LA RECHERCHE SCIENTIPIQUE
发明人
分类号
B23H1/02
主分类号
B23H1/02
代理机构
代理人
主权项
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