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高速钢针规 GB0510/1015/1520/2025/2530/3035/3540/4045/4550/5055/5560/6065/6570/7075/7580/8085/8590/9095/

编号：55110

钨钢针规 GB0510/1015/1520/2025/2530/3035/3540/4045/4550/5055/5560/6065/6570/7075/7580/8085/8590/9095/9

编号：55120

陶瓷针规 GB0510/1015/1520/2025/2530/3035/3540/4045/4550/5055/5560/6065/6570/7075/7580/8085/8590/9095/9

编号：55130

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