CNS 7192-1981 Basic Profiles for Hobs of Bushed Roller Chains and Roller Chains《滚子链轮与套筒链轮滚齿刀基准轮廓》.pdf

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JB T 7427-1994 滚子链和套筒链链轮滚刀.pdf

JB T 7427-2006 滚子链和套筒链链轮滚刀.pdf

DB13 T 1463-2011 建筑用钢筋滚轧直螺纹连接套筒.pdf

GOST 15127-1983 Solid generating hobs for sprochets of transmission roller and bush chains Specifications《传动滚筒和套筒链轮用齿轮滚刀 规范》.pdf

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