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发明名称
MANUFACTURE OF LARGE DIAMETER SQUARE STEEL PIPE INCLUDING HOT FORMING AND DEVICE THEREFOR
摘要
申请公布号
JPH06122019(A)
申请公布日期
1994.05.06
申请号
JP19920301579
申请日期
1992.10.15
申请人
NAKAJIMA KOKAN KK
发明人
NAKAJIMA HIROSHI
分类号
B21C37/15;B21D3/05;B21D5/12;C21D1/26;(IPC1-7):B21C37/15
主分类号
B21C37/15
代理机构
代理人
主权项
地址
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