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经营范围
发明名称
Perfectionnement aux ailettes pour échangeur de chaleur
摘要
申请公布号
FR1282713(A)
申请公布日期
1962.01.27
申请号
FR19600847200
申请日期
1960.12.16
申请人
发明人
LEROY PIERRE;CHANTEMERLE BERNARD
分类号
F28F1/32
主分类号
F28F1/32
代理机构
代理人
主权项
地址
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