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发明名称
ELECTRODE OF ELECTRICAL DISCHARGE MACHINE FOR METAL TREATMENT
摘要
申请公布号
KR1019830002032(B1)
申请公布日期
1983.10.07
申请号
KR1019790004171
申请日期
1979.11.28
申请人
发明人
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主分类号
代理机构
代理人
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