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发明名称
摘要
申请公布号
JPS643979(Y2)
申请公布日期
1989.02.02
申请号
JP19830198846U
申请日期
1983.12.27
申请人
发明人
分类号
F28D7/16;F28D7/02;G21C1/02;(IPC1-7):F28D7/02
主分类号
F28D7/16
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代理人
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