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Chinese Standard: GB/T 1149.8-2008

Internal combustion engines—Piston rings—Part 8:Rectangular rings made of steel

IDT  ISO 6622-2:2003

全国内燃机标准化技术委员会(SAC/TC 177)

GB/T 1149的本部分规定了活塞环型号为R、B、BA和M的矩形钢制活塞环(以下简称矩形钢环)的基本尺寸特征。
本部分适用于气缸直径从30 mm到160 mm的往复式内燃机用的矩形钢环,在类似条件下工作的压缩机用的矩形钢环也可参照使用。

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