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发明名称
Perfectionnements aux chaudières à foyer à chargement par le bas
摘要
申请公布号
FR837799(A)
申请公布日期
1939.02.20
申请号
FRD837799
申请日期
1938.05.10
申请人
发明人
TONGEREN HERMANNUS VAN
分类号
F24H1/44
主分类号
F24H1/44
代理机构
代理人
主权项
地址
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