钢丝绳通用技术条件
Steel wire ropes for general purposes
Steel wire ropes for general purposes
Steel wire ropes for important purposes
Steel wire ropes-Determination of lubricant content
Metallic materials-Wire-Part 1: Simple torsion test
Metallic materials-Tensile testing-Part 1;Method of test at room temperature
Metallic materials-Tensile testing-Part 1;Method of test at room temperature
Steel wire ropes for lifts
Steel wire ropes-Determination of measured breaking force
Methods of measuring and evaluating noise of pumps
Technical specifications for centrifugal pumps( Class ? )