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发明名称
摘要
申请公布号
JPS5690616(U)
申请公布日期
1981.07.20
申请号
JP19790173689U
申请日期
1979.12.15
申请人
发明人
分类号
F04D29/42;F24F1/00;(IPC1-7):F24F1/00
主分类号
F04D29/42
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