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发明名称
Perfectionnement aux régulateurs automatiques du tirage pour chaudières, foyers industriels et domestiques et autres appareils de chauffage
摘要
申请公布号
FR728405(A)
申请公布日期
1932.07.05
申请号
FRD728405
申请日期
1931.12.18
申请人
LES FILS D'EMMANUEL BOTT (SOCIETE A RESPONSABILITE LIMITEE)
发明人
分类号
F23L11/02
主分类号
F23L11/02
代理机构
代理人
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