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发明名称
摘要
申请公布号
FR2010967(A1)
申请公布日期
1970.02.20
申请号
FR19690019709
申请日期
1969.06.13
申请人
TROESCH HANS
发明人
分类号
F24D3/02;F24D19/10;(IPC1-7):F24H9/00
主分类号
F24D3/02
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