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发明名称
摘要
申请公布号
FR2135020(A5)
申请公布日期
1972.12.08
申请号
FR19720015156
申请日期
1972.04.21
申请人
VAILLANT JOH KG
发明人
分类号
F24D19/10;(IPC1-7):F24H9/00;F24D3/00
主分类号
F24D19/10
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