电梯减震垫和类似用途橡胶检测
ANSI B11.8-2001机床.带或不带自动控制的手动铣床、钻床和镗床用安全要求
This American National Standard specifies safety requirements for the design, construction, operation and maintenance (including installation, dismantling and transport) of manually controlled milling, drilling, and boring machines. This standard also ap
ANSI B11.11-2001机床.齿轮和花键切割机的安全要求
This standard specifies safety requirements for the design, construction, operation and maintenance (including installation, dismantling and transport) of gear and spline cutting machines.
