Rim-locks depending on this standard are for hinged doors of lavotery and bath on ships. The standard contains the connecting measures and the materials the locks consists.
DIN 81309:2003 history
2003DIN 81309:2003-08 Rim-locks with latch-bolt for hinged doors of lavatory and bath on ships
2003DIN 81309:2003 Rim-locks with latch-bolt for hinged doors of lavatory and bath on ships