标准号:IS 7451 Pt.5-1974
发布日期:1975/1/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Specifies a method of designating the cylinders of reciprocating internal combustion engines.1.1 It does not apply to engines used to propel:a) aircraft,b) automobiles and trucks,c) agricultural and industrial types of tractors,d) road construction and earth moving machines, ande) motorcycles.