DIN 73021:1953-06

Действует

Designation of the rotational direction, the cylinders and the ignition circuits of motorcar engines — 1 стр.

На этот документ ссылаются

DIN 6265:1977-08

Отменен

Internal combustion engines for general application; definition of locations, numbering of cylinders, direction of rotation, firing order, identification of ignition cables, designation of right or lefthand arrangement — 5 стр.