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发明名称
Perfectionnement aux foyers dans le but d'éviter la formation des mâchefers
摘要
申请公布号
FR838783(A)
申请公布日期
1939.03.15
申请号
FRD838783
申请日期
1938.06.02
申请人
发明人
LOIRANT JEANNE, HENRIETTE
分类号
F23J1/00
主分类号
F23J1/00
代理机构
代理人
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