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发明名称
METHOD FOR DIRECTLY HEAT-TREATING STEEL WIRE ROD
摘要
申请公布号
JPH02232321(A)
申请公布日期
1990.09.14
申请号
JP19890054441
申请日期
1989.03.06
申请人
SUMITOMO ELECTRIC IND LTD
发明人
HASHIMOTO YOSHIHIRO;YAMADA KATSUHIKO;MATSUDA TADAAKI
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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