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发明名称
WATER-HEATING BOILER
摘要
申请公布号
SU568388(A3)
申请公布日期
1977.08.05
申请号
SU19721840344
申请日期
1972.10.23
申请人
HOVALWERK AG OSPELT
发明人
VOLFGANG KUNKEL,OE
分类号
F22B7/12;F24H1/28;F24H1/44;(IPC1-7):F24H1/44
主分类号
F22B7/12
代理机构
代理人
主权项
地址
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