什么事ISO15552和VDMA2462认证

什么事ISO15552 和VDMA2462 认证 -
ISO 15552:2004 Pneumatic fluid power -- Cylinders with detachable mountings, 1 000 kPa (10 bar) series, bores from 32 mm to 320 mm -- Basic, mounting and accessories dimensions VDMA2462 same as ISO6431