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发明名称
METODO E GIUNTO PER COLLEGARE FRA LORO A TENUTA MEDIANTE SALDATURA DUE TUBI COASSIALI DI DIAMETRO DIVERSO
摘要
申请公布号
IT1033922(B)
申请公布日期
1979.08.10
申请号
IT19750012703
申请日期
1975.07.16
申请人
ARMCO SPA
发明人
分类号
F16L;(IPC1-7):F16L/
主分类号
F16L
代理机构
代理人
主权项
地址
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