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发明名称
INLINE SOFTENING TREATMENT FOR AIR-HARDENING SEAMLESS STEEL TUBE
摘要
申请公布号
JPH04107213(A)
申请公布日期
1992.04.08
申请号
JP19900226907
申请日期
1990.08.29
申请人
NIPPON STEEL CORP
发明人
SOGO YASUO;INA KATSUTOSHI;TAKEUCHI EIZO;KUNO YASUHARU;NARASAKI KOJI
分类号
C21D8/10
主分类号
C21D8/10
代理机构
代理人
主权项
地址
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