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经营范围
发明名称
échangeur de chaleur
摘要
申请公布号
FR800476(A)
申请公布日期
1936.07.06
申请号
FRD800476
申请日期
1936.01.09
申请人
发明人
STILL WILLIAM JOSEPH
分类号
F28F1/06;F28F1/12;F28F1/32
主分类号
F28F1/06
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