
STATIONARY TRAINING EQUIPMENT - PART 5: STATIONARY EXERCISE BICYCLES AND UPPER BODY CRANK TRAINING EQUIPMENT, ADDITIONAL SPECIFIC SAFETY REQUIREMENTS AND TEST METHODS (ISO 20957-5:2016)
出版:Polish Committee for Standardization

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STATIONARY TRAINING EQUIPMENT - PART 5: STATIONARY EXERCISE BICYCLES AND UPPER BODY CRANK TRAINING EQUIPMENT, ADDITIONAL SPECIFIC SAFETY REQUIREMENTS AND TEST METHODS (ISO 20957-5:2016)
出版:Polish Committee for Standardization
专家解读视频