GB/T 30977-2014

Active

Hollow type guide rails for counterweight and balancing weight of lifts

电梯对重和平衡重用空心导轨

Standard Type
GBT
ICS
91.140.90
CCS
Q78
Status
现行
Issue Date
2014-07-24
Implementation
2014-12-01
Responsible Dept
国家标准委
Drafting Unit
N/A