NA 131
DIN Standards Committee Aerospace
Standards
[CURRENT]
WL 5.5-6
WL 5.5-6
Aerospace series - Fluor rubber (FKM, FFKM) - General directions
Title (German)
Luft- und Raumfahrt - Fluor-Elastomer (FKM, FFKM) - Allgemeine Hinweise