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发明名称
摘要
申请公布号
JPH0619561(Y2)
申请公布日期
1994.05.25
申请号
JP19900007937U
申请日期
1990.01.29
申请人
发明人
分类号
C21D1/10;C21D9/30;(IPC1-7):C21D9/30
主分类号
C21D1/10
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代理人
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