GB 8421-1987
Evaluation index of vibration transmitted by driver's seat of agricultural wheeled tractor

Be replaced

Standard No.

GB 8421-1987

Language

Chinese

Release Date

1987

Published By

Professional Standard - Agriculture

Replace By

GB/T 8421-2000

Lastest

GB/T 8421-2020

GB 8421-1987 history

• 2020 GB/T 8421-2020 Agricultural wheeled tractors—Operator's seat—Laboratory measurement of transmitted vibration
• 2000 GB/T 8421-2000 Laboratory measurement and limits of operator's seat transmitted vibration for agricultural wheeled tractors
• 1987 GB 8421-1987 Evaluation index of vibration transmitted by driver's seat of agricultural wheeled tractor

GB 8421-1987 was changed to GB/T 8421-2000 Laboratory measurement and limits of operator's seat transmitted vibration for agricultural wheeled tractors.