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发明名称
Appareil à air chaud, -récupérateur tubulaire
摘要
申请公布号
FR808558(A)
申请公布日期
1937.02.10
申请号
FRD808558
申请日期
1936.06.20
申请人
发明人
MARIE GROSJEAN RENE, JOSEPH,
分类号
F28F21/04
主分类号
F28F21/04
代理机构
代理人
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