NF L43-612*NF EN 4054:2005 Aerospace series - Pipe couplings, loose flanges and seals - Seals in fluorocarbon rubber and armature in aluminium alloy - Technical specification.
2005NF L43-612*NF EN 4054:2005 Aerospace series - Pipe couplings, loose flanges and seals - Seals in fluorocarbon rubber and armature in aluminium alloy - Technical specification.