Machine tools ; internal tab washers for slotted round nuts for hook spanner according to din 1804 机床.按din 1804钩形扳手用开槽圆螺母的内舌垫圈
Specification for hook spanners , peg spanners , coupling wrenches and the related slots , holes and horns 钩形扳手销子扳手连接扳手和相关的槽孔和柄臂规范
Body end shapes . body ends shall [ b ] [ red ] incorporate [ / red ] [ / b ] a method of holding the valve securely during installlation , e . g . hexagon or provision for a c spanner 阀体端面形状。阀体端面应表现为具备在安装过程中紧固阀门已达到安全目的的特征，比如，六角或与c形扳手相配套的构造。
[ br ] body end shapes . body ends shall [ b ] [ red ] incorporate [ / red ] [ / b ] a method of holding the valve securely during installlation , e . g . hexagon or provision for a c spanner 阀体端面形状。阀体端面应表现为具备在安装过程中紧固阀门已达到安全目的的特征，比如，六角或与c形扳手相配套的构造。
