标 准 编 号：GB/T 1243-2006 简体中文标题：传动用短节距精密滚子链、套筒链、附件和链轮 繁体中文标题：传动用短节距精密滚子链、套筒链、附件和链轮 English Name：Short-pitch transmission precision roller and bush chains,attachments and associated chain sprokets