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发明名称
Procédé et dispositif pour économiser les gaz utilisés dans les chalumeaux
摘要
申请公布号
FR987808(A)
申请公布日期
1951.08.20
申请号
FRD987808
申请日期
1949.06.04
申请人
发明人
LEVEQUE AUGUSTE
分类号
F23D14/46
主分类号
F23D14/46
代理机构
代理人
主权项
地址
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