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发明名称
摘要
申请公布号
JPS4831655(U)
申请公布日期
1973.04.17
申请号
JP19710074876U
申请日期
1971.08.19
申请人
发明人
分类号
F28F3/06;F28D9/00;(IPC1-7):F28D9/00
主分类号
F28F3/06
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