2023BS ISO 7967-3:2022 Reciprocating internal combustion engines. Vocabulary of components and systems - Valves, camshaft drives and actuating mechanisms
2010BS ISO 7967-3:2010 Reciprocating internal combustion engines. Vocabulary of components and systems. Valves, camshaft drives and actuating mechanisms
1988BS 7016-3:1988 Components and systems of reciprocating internal combustion engines - Glossary of terms for valves, camshaft drive and actuating mechanisms
BS ISO 7967-3:2010 Reciprocating internal combustion engines. Vocabulary of components and systems. Valves, camshaft drives and actuating mechanisms has been changed from BS 7016-3:1988 Components and systems of reciprocating internal combustion engines - Glossary of terms for valves, camshaft drive and actuating mechanisms.