ASME A17.1-2019/CSA B44:19: Safety Code for Elevators and Escalators
AMERICAN NATIONAL STANDARDIncludes Requirements for Elevators,
Escalators, Dumbwaiters, Moving
Walks, Material Lifts, and Dumbwaiters
With Automatic Transfer Devices
년:
2020
판:
1
출판사:
ASM
언어:
english
페이지:
11
파일:
PDF, 263 KB
IPFS:
,
english, 2020