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经营范围
发明名称
PIPE ROLLING METHOD
摘要
申请公布号
JPS5360358(A)
申请公布日期
1978.05.30
申请号
JP19760135073
申请日期
1976.11.10
申请人
NIPPON STEEL CORP
发明人
YOSHIHARA SEISHIROU;KAWARADA MINORU
分类号
B21B19/08;B21B19/00
主分类号
B21B19/08
代理机构
代理人
主权项
地址
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