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发明名称
Perfectionnements apportés aux chaudières de chauffage à eau chaude ou à vapeur
摘要
申请公布号
FR834693(A)
申请公布日期
1938.11.29
申请号
FRD834693
申请日期
1938.03.03
申请人
发明人
PAUER LUIGI GIORGIO
分类号
F24H1/28
主分类号
F24H1/28
代理机构
代理人
主权项
地址
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