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发明名称
PERFEZIONAMENTO NELLE PIASTRE CONVETTRICI DI CALDRE
摘要
申请公布号
IT1036869(B)
申请公布日期
1979.10.30
申请号
IT19750048113
申请日期
1975.02.11
申请人
SRL ETNA CALOR
发明人
分类号
F28D;(IPC1-7):F28D/
主分类号
F28D
代理机构
代理人
主权项
地址
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