PDF(3055 KB)
Reason for wear of elevator safety gear wedges
LIU Zhikai, LIU Cansen, JIE Xiaohua
Physical Testing and Chemical Analysis Part A:Physical Testing ›› 2023, Vol. 59 ›› Issue (11) : 53-55,58.
PDF(3055 KB)
PDF(3055 KB)
Reason for wear of elevator safety gear wedges
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