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发明名称
摘要
申请公布号
JPH0551943(U)
申请公布日期
1993.07.09
申请号
JP19910103567U
申请日期
1991.12.16
申请人
发明人
分类号
C21D1/00;F27D3/12;(IPC1-7):C21D1/00
主分类号
C21D1/00
代理机构
代理人
主权项
地址
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