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发明名称
DRUM
摘要
申请公布号
KR800002018(Y1)
申请公布日期
1980.12.12
申请号
KR19790006627U
申请日期
1979.11.02
申请人
HONG KI EOB
发明人
HONG KI EOB
分类号
B21D53/16;(IPC1-7):B21D53/16
主分类号
B21D53/16
代理机构
代理人
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地址
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