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发明名称
摘要
申请公布号
JPS53114656(U)
申请公布日期
1978.09.12
申请号
JP19770020004U
申请日期
1977.02.21
申请人
发明人
分类号
F28D19/04;F24H7/02;F24J3/00;(IPC1-7):F28D19/04
主分类号
F28D19/04
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代理人
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