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8 GB/T 1148-1993 内燃机铝活塞技术条件
Aluminium piston--Reciprocating internal combustion engines--Technical specifications
9 GB/T 1149.1-1994 内燃机活塞环 通用规则
Internal combustion engines--Piston rings--General specifications
10 GB/T 1149.2-1994 内燃机活塞环 术语
Internal combustion engines--Piston rings-Vocabulary
11 GB/T 1149.3-1992 内燃机活塞环 刮环
Internal combustion engines-Piston rings-Scraper rings
12 GB/T 1149.4-1994 内燃机活塞环 技术要求
Internal combustion engines--Piston rings--Quality requirements
13 GB/T 1149.5-1992 内燃机活塞环 油环
Internal combustion engines-Piston rings-Oil control rings
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