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发明名称
VALVOLA A SFERA PERFEZIONATA, DOTATA DI UNA SEDE PARTICOLARMENTE CONFORMATA, SUSCETTIBILE DI ALLOGGIARE IN UNA GUARNIZIONE ANULARE,COSTITUI TA DA UNA MOLLA A TAZZA, INGLOBATA IN UN CORPO IN PTFE E SUSCETTIBILE DI LAVORARE A TRAZIONE
摘要
申请公布号
ITMI920292(V0)
申请公布日期
1992.03.26
申请号
IT1992MI00292U
申请日期
1992.03.26
申请人
DAFRAM
发明人
分类号
F16K
主分类号
F16K
代理机构
代理人
主权项
地址
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