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发明名称
HIGH PRECISION SHAPE CORRECTING EQUIPMENT FOR SECTION OF SQUARE TUBE
摘要
申请公布号
JPH01113124(A)
申请公布日期
1989.05.01
申请号
JP19870268170
申请日期
1987.10.26
申请人
HITACHI LTD
发明人
SATO TOSHIMI;SAKURAI TAKASHI;SEKI TATSURO;WATANABE SHINOBU
分类号
B21D3/10;B21D3/14
主分类号
B21D3/10
代理机构
代理人
主权项
地址
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