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发明名称
SPHEROIDAL ANNEALING METHOD FOR STEEL ROD
摘要
申请公布号
JPH04333527(A)
申请公布日期
1992.11.20
申请号
JP19910130224
申请日期
1991.05.07
申请人
NIPPON STEEL CORP
发明人
OCHI TATSURO;KOYASU YOSHIRO
分类号
C21D9/52
主分类号
C21D9/52
代理机构
代理人
主权项
地址
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