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发明名称
摘要
申请公布号
JPS5740299(Y2)
申请公布日期
1982.09.04
申请号
JP19750162877U
申请日期
1975.12.05
申请人
发明人
分类号
C21D9/663;C21D1/26;C21D1/74;C21D9/54;C21D9/673;F27D17/00;F28D7/00;F28D21/00;(IPC1-7):C21D9/673
主分类号
C21D9/663
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代理人
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