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发明名称
摘要
申请公布号
DD126664(A1)
申请公布日期
1977.08.03
申请号
DD19760193124
申请日期
1976.06.01
申请人
发明人
分类号
F24H1/20;F24H1/44;(IPC1-7):F24H1/44
主分类号
F24H1/20
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代理人
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