ASME B30.23-2016 – Personnel Lifting Systems - تاریخ: 1397/12/4 ساعت: 18:22
Changes to ASME B30.23-2016 – Perso el Lifting SystemsB30 Standard Introduction – Revised Section 23-0.3 – Definition of designated person deleted Section 23-0.4 – Added, and remaining paragraph rede