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经营范围
发明名称
Récupérateur thermique tubulaire
摘要
申请公布号
FR909260(A)
申请公布日期
1946.05.03
申请号
FRD909260
申请日期
1944.08.08
申请人
发明人
HEIREND EMILE
分类号
F28F9/02
主分类号
F28F9/02
代理机构
代理人
主权项
地址
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