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发明名称
ROLLING METHOD FOR PREVENTING SEAM FLAW
摘要
申请公布号
JPS6343704(A)
申请公布日期
1988.02.24
申请号
JP19860185068
申请日期
1986.08.08
申请人
NIPPON STEEL CORP
发明人
KONO KOZO;MABUCHI HIDESATO;AMEMURA AKIRA;KONO NOBUHIRO
分类号
B21B1/38
主分类号
B21B1/38
代理机构
代理人
主权项
地址
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