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发明名称
摘要
申请公布号
JPS5251734(Y2)
申请公布日期
1977.11.24
申请号
JP19730072469U
申请日期
1973.06.19
申请人
发明人
分类号
F24F1/00;(IPC1-7):F24F1/00
主分类号
F24F1/00
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代理人
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