Multiple chip vacuum chuck[pdfjs-viewer url=”https%3A%2F%2Fydzhly.com%2Fidonus%2Fwp-content%2Fuploads%2Fsites%2F55%2F2019%2F01%2F%E5%A4%9A%E6%99%B6%E5%9C%86%E7%9C%9F%E7%A9%BA%E5%A4%B9%E5%85%B7.pdf” viewer_width=100% viewer_height=1360px fullscreen=true download=true print=true]