Norm
[AKTUELL]
UNE-EN ISO 7721-2
UNE-EN ISO 7721-2
COUNTERSUNK FLAT HEAD SCREWS. PART 2: PENETRATION DEPTH OF CROSS RECESSES. (ISO 7721-2:1990).
Titel (englisch)
COUNTERSUNK FLAT HEAD SCREWS. PART 2: PENETRATION DEPTH OF CROSS RECESSES. (ISO 7721-2:1990).