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发明名称
METHOD FOR TWISTING METAL BARS AND A DEVICE FOR TWISTING METAL BARS
摘要
申请公布号
PL266156(A1)
申请公布日期
1988.12.22
申请号
PL19870266156
申请日期
1987.06.08
申请人
发明人
分类号
B21F;(IPC1-7):B21F/
主分类号
B21F
代理机构
代理人
主权项
地址
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