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经营范围
发明名称
METHOD FOR HARDENING STEEL PIPE
摘要
申请公布号
JPH036329(A)
申请公布日期
1991.01.11
申请号
JP19890138070
申请日期
1989.05.31
申请人
KAWASAKI STEEL CORP
发明人
CHOJI TAKESHI
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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