General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 22562-2008
Scope
This standard specifies the grade and quality, technical characteristics, dimensional and geometric tolerances and surface roughness of standard guide rails and their connecting plates. This standard also defines the naming method of the guide rail. This standard applies to guide rails used in elevators for the guidance of elevator cars and counterweights.
GB/T 22562-2008 Referenced Document
GB/T 131 Geometrical Product Specifications (GPS). Indication of surface texture in technical Product documentation