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发明名称
Détendeur de sûreté pour installations frigorifiques
摘要
申请公布号
FR681885(A)
申请公布日期
1930.05.20
申请号
FRD681885
申请日期
1929.09.17
申请人
发明人
DESCHAMPS PAUL
分类号
F25B41/06
主分类号
F25B41/06
代理机构
代理人
主权项
地址
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