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发明名称
摘要
申请公布号
JPS57121663(U)
申请公布日期
1982.07.28
申请号
JP19810003743U
申请日期
1981.01.14
申请人
发明人
分类号
C21D1/00;(IPC1-7):C21D1/00
主分类号
C21D1/00
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