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发明名称
摘要
申请公布号
JPS473550(U)
申请公布日期
1972.09.05
申请号
JP19710004208U
申请日期
1971.01.29
申请人
发明人
分类号
F24F13/15;F24F13/06;F24F13/14;(IPC1-7):F24F13/06
主分类号
F24F13/15
代理机构
代理人
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