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发明名称
PIPE EXPANDER
摘要
申请公布号
KR960007682(Y1)
申请公布日期
1996.09.12
申请号
KR19940000247U
申请日期
1994.01.06
申请人
CHON, CHANG - YUL
发明人
CHON, CHANG - YUL
分类号
B21D39/08;(IPC1-7):B21D39/08
主分类号
B21D39/08
代理机构
代理人
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