BS ISO 96-2-2009 纺织机械与附件 环绽细纱机和环绽并纱机用钢
BS ISO 96-2-2009 Textile machinery and accessories — Rings and travellers for ring spinning and ring twisting frames Part 2: HZ- and J-rings and their travellers纺织机械与附件 环绽细纱机和环绽并纱机用钢领和钢丝圈 第2部分:HZ和J型钢领和配用的钢丝圈
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