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发明名称
TUBO CON ALETTATURA INTERNA ED ALETTATURA O PIOLINATURA ESTERNA,PARTICOLARMENTE PER APPARECCHI SCAMBIATORI DI CALORE,E SUO METODO DI FABBRICAZIONE
摘要
申请公布号
IT1112472(B)
申请公布日期
1986.01.13
申请号
IT19790021696
申请日期
1979.04.09
申请人
TROJANI ING.BENITO LUIGI
发明人
分类号
B21C37/22;F28F1/42;(IPC1-7):F28F/
主分类号
B21C37/22
代理机构
代理人
主权项
地址
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