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发明名称
摘要
申请公布号
JPS57178990(U)
申请公布日期
1982.11.12
申请号
JP19810066689U
申请日期
1981.05.11
申请人
发明人
分类号
F28F9/013;F28F9/00;(IPC1-7):F28F9/00
主分类号
F28F9/013
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