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发明名称
Chalumeau soudeur économiseur
摘要
申请公布号
FR1025193(A)
申请公布日期
1953.04.13
申请号
FRD1025193
申请日期
1950.09.27
申请人
发明人
DAVID JEAN-ALBERT
分类号
F23D14/40
主分类号
F23D14/40
代理机构
代理人
主权项
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