Download or read book JJF 1561 2016 Translated English of Chinese Standard JJF1561 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-09-01 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: This specification is applicable to the calibration of gear measurement centers that measure gears with a modulus of not less than 0.3 mm and grade 3 and below.