This standard specifies the product name and model compilation rules for internal combustion engines. This standard applies to reciprocating internal combustion engines (hereinafter referred to as internal combustion engines), and other types of internal combustion engines can also be used as a reference.
GB/T 725-2008 Referenced Document
GB/T 1883.1 Reciprocating internal combustion engines.Vocabulary.Part 1: Terms for engine design and operation
GB/T 726 Reciprocating internal 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 locations on an engine
GB/T 725-2008 history
2008GB/T 725-2008 Internal combustion engines.Nomenclature and code of designations
1991GB/T 725-1991 Internal combustion engines.Nomenclature and code of designations