Rim-locks depending on this standard are for heavy hinged doors rim-lock typ L1 and R1 on ships according to DIN 83100-1 to DIN 83100-3 and DIN 83100-11 to DIN 83100-13.
DIN 81311:2005 history
2005DIN 81311:2005-05 Rim-locks with latch-bolt for heavy hinged doors on ships
2005DIN 81311:2005 Rim-locks with latch-bolt for heavy hinged doors on ships