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杠杆齿轮比较仪是一种广泛应用于计量室测试和生产现场检测的高精度量表，它可与各种台架（或表架）配套使用，完成对各种精密零部件的尺寸及形位误差的检测；亦可作为各种高椅度内径表、外经卡规及各种精密量仪的指示表，以实现对产品的精密测量和质量监控。由成都工具研究所
Leverage gear comparator is a widely used in the measuring room test and production of high-precision measurement of the site test, which can be used with a variety of bench (or table) supporting the use of various precision components to complete the size and shape Error detection; can also be used as a variety of high-chair diameter table, a variety of foreign regulations and precision gauge meter instructions to achieve the precision measurement of products and quality control. Chengdu Institute of Tools