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发明名称
Ailette pour tuyaux à ailettes ou autres dispositifs échangeurs de température
摘要
申请公布号
FR918311(A)
申请公布日期
1947.02.05
申请号
FRD918311
申请日期
1945.08.10
申请人
发明人
RAPILLARD PAUL
分类号
F28F1/30;F28F1/32
主分类号
F28F1/30
代理机构
代理人
主权项
地址
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