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发明名称
摘要
申请公布号
JPS4899653(U)
申请公布日期
1973.11.24
申请号
JP19720022398U
申请日期
1972.02.23
申请人
发明人
分类号
F24F7/013;F24F7/06;(IPC1-7):F24F7/06
主分类号
F24F7/013
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代理人
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