This standard specifies the classification, parameters and models, technical requirements, safety requirements, test methods, inspection rules, marking, packaging, transportation and storage of pneumatic grabs for mining (hereinafter referred to as grabs). This standard applies to grab buckets of rock grabbing equipment used for shaft excavation in coal mines and other mines.
MT/T 245-2008 Referenced Document
GB/T 10111 Generation of random numbers and procedures applied to sampling inspection for product quality
GB/T 11345 Non-destructive testing of welds, ultrasonic testing technology, testing levels and assessments