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不锈钢弹性垫圈和锁紧垫圈 第1部分:鞍形弹性垫圈

Spring and lock washers in stainless steel - Part 1:Curved spring washers
标准号:QJ 3247.1-2005
Spring and lock washers in stainless steel - Part 1:Curved spring washers
标准号:QJ 3247.1-2005