DIN 德标
DIN 7993 轴用钢丝挡圈及挡圈槽(DIN 7993 | )
Round wire snap rings and snap ring grooves for shafts and bores
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DIN 德标
DIN 984 孔用挡圈—带内凸耳型(DIN 984 | )
Spring retaining rings with lugs for use in bores (internal circlips)
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