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发明名称
摘要
申请公布号
JPH0314140(U)
申请公布日期
1991.02.13
申请号
JP19890075694U
申请日期
1989.06.28
申请人
发明人
分类号
C21C5/46;(IPC1-7):C21C5/46
主分类号
C21C5/46
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