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发明名称
PRODUCTION OF HIGH STRENGTH SEAMLESS STEEL TUBE REDUCED IN YIELD RATIO
摘要
申请公布号
JPH04147919(A)
申请公布日期
1992.05.21
申请号
JP19900271337
申请日期
1990.10.09
申请人
NIPPON STEEL CORP
发明人
FUJII HIROMI;ASAHI HITOSHI;UENO MASAKATSU
分类号
C21D9/08
主分类号
C21D9/08
代理机构
代理人
主权项
地址
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