制绳机械设备通用技术条件
General requirements for rope laying machinery
General requirements for rope laying machinery
Sisal fibre
Cast steel rolls
Cast steel rolls
Mangoes-Cold storage
Green coffee-Olfactory and visual examination andndetermination of foreign matter and defects
Sisal main cores in steel wire ropes
Fatty diethanol amide
Fatty alkyI dimethyl tertiary amines
High pressure short arc xenon lamps