STAS SR ISO 1204:1990 Reciprocating internai combustion engines - Designation of the direction of rotation and of cylinders and valves in cylinder heads and definition of right-hand and left-hand in line engines and location on an engine
1990STAS SR ISO 1204:1990 Reciprocating internai combustion engines - Designation of the direction of rotation and of cylinders and valves in cylinder heads and definition of right-hand and left-hand in line engines and location on an engine