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发明名称
摘要
申请公布号
JPS609957(U)
申请公布日期
1985.01.23
申请号
JP19830098892U
申请日期
1983.06.28
申请人
发明人
分类号
C21C5/46;C21C5/30;G02B6/04;(IPC1-7):C21C5/30
主分类号
C21C5/46
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代理人
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