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发明名称
摘要
申请公布号
JPH0696729(B2)
申请公布日期
1994.11.30
申请号
JP19890290740
申请日期
1989.11.08
申请人
发明人
分类号
C21C5/28;C21C1/02;C21C5/30;C21C5/36;(IPC1-7):C21C5/28
主分类号
C21C5/28
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