استاندارد
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استاندارد
ASME A17.1 , ایمنی آسانسور و بالابر
ASME A17.1/CSA B44 : Safety Code for Elevators and Escalators Includes Requirements for Elevators, Escalators, Dumbwaiters, Moving Walks, Material Lifts,…
مشاهده مطلب
ASME A17.1/CSA B44 : Safety Code for Elevators and Escalators Includes Requirements for Elevators, Escalators, Dumbwaiters, Moving Walks, Material Lifts,…
مشاهده مطلب