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申请公布号
JPS5333885(Y2)
申请公布日期
1978.08.21
申请号
JP19740091886U
申请日期
1974.08.01
申请人
发明人
分类号
F28D1/053;F28D1/04;(IPC1-7):F28D1/04
主分类号
F28D1/053
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