NA 131
DIN Standards Committee Aerospace
Standards
[CURRENT]
WL 5.3630-4
WL 5.3630-4
Laminated products; pipes, rolled, of laminated phenol-formaldehyde resin fabric
Title (German)
Schichtpreßstoff-Erzeugnisse; Rohre, gewickelt, aus Phenolformaldehydharz-Hartgewebe