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发明名称
Perfectionnements aux chaudières à tubes de fumée et aux réchauffeurs d'eau
摘要
申请公布号
FR707410(A)
申请公布日期
1931.07.08
申请号
FRD707410
申请日期
1930.12.11
申请人
发明人
KIRKE PERCY ST. GEORGE
分类号
F22B1/18
主分类号
F22B1/18
代理机构
代理人
主权项
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