Piston rings up to 200 mm diameter for reciprocating internal combustion engines-Ring grooves
往复式内燃机用直径不超过200 mm的活塞环
1976-10-29
BS DD 209-1992
Piston rings up to 200 mm diameter for reciprocating internal combustion engines: specification for half keystone rings
往复式内燃机用直径小于等于200mm的活塞环:半梯形环规范
1992-05-01
BS DD 208-1992
Piston rings up to 200 mm diameter for reciprocating internal combustion engines: specification for rectangular rings with narrow ring width
往复式内燃机用直径小于等于200mm的活塞环:窄环宽矩形环规范
1992-05-01
BS 5341-7.4-1992
Piston rings up to 200 mm diameter for reciprocating internal combustion engines. Designs, dimensions and designations for single piece rings.-Specification for oil control rings
往复式内燃机的活塞环直径可达200毫米 单件环的设计、尺寸和名称 油控制环规范
1992-05-01
BS 5341-8.1-1992
Piston rings up to 200 mm diameter for reciprocating internal combustion engines. Designs, dimensions and designations for multi-piece oil control rings.-Specification for coil-spring-loaded oil control rings
往复式内燃机的活塞环直径可达200毫米 多片式控油环的设计、尺寸和名称