UNE-EN 3867:2004 Aerospace series - Pipe couplings, loose flanges and seals - Flanges in titanium alloy TI-P64001 (Endorsed by AENOR in March of 2005.)
2005UNE-EN 3867:2004 Aerospace series - Pipe couplings, loose flanges and seals - Flanges in titanium alloy TI-P64001 (Endorsed by AENOR in March of 2005.)