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发明名称
摘要
申请公布号
JPS549739(U)
申请公布日期
1979.01.22
申请号
JP19770081447U
申请日期
1977.06.20
申请人
发明人
分类号
F24H9/02;F24H3/00;(IPC1-7):F24H3/00
主分类号
F24H9/02
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