GB/T 6577-2021液压缸活塞用带支承环密封沟槽型式、尺寸和公差标准
英文:Types, dimensions and tolerances of groove for seals with bearing rings for hydraulic cylinders piston GB/T 6577-2021...
英文:Types, dimensions and tolerances of groove for seals with bearing rings for hydraulic cylinders piston GB/T 6577-2021...