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发明名称
PRODUCTION OF STEEL PRODUCTS FOR A CIVIL STRUCTURE WITH GOOD TOUGHNESS IN COLD TEMPERATURE
摘要
申请公布号
KR100226922(B1)
申请公布日期
1999.10.15
申请号
KR19950048486
申请日期
1995.12.11
申请人
POHANG IRON & STEEL CO.LTD
发明人
YEO, JO-HYUN;PARK, CHAN-YEOP;SO, MUN-SEOP
分类号
B21B1/00;(IPC1-7):B21B1/00
主分类号
B21B1/00
代理机构
代理人
主权项
地址
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