本文件规定了链锯抓链器的机械强度和尺寸要求，以及相应的试验方法。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies the mechanical strength and dimension requirements, and the corresponding test method for the chain catcher of chain-saws.All current amendments available at time of purchase are included with the purchase of this document.