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发明名称
摘要
申请公布号
JPS6246957(Y2)
申请公布日期
1987.12.22
申请号
JP19800134102U
申请日期
1980.09.19
申请人
发明人
分类号
F17C9/02;F28D3/02;F28D3/04;F28F25/00;(IPC1-7):F17C9/02
主分类号
F17C9/02
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