What are Mediabox, Trimbox, Bleedbox, Artbox (in a PDF file) - YouTube
6 Frequently Asked Questions about PDF Crop Box
The PDF page boxes: CropBox, BleedBox & TrimBox | w3pedia
PSPDFKit on Twitter: "In version 8.2 of our Android PDF SDK we added support for bleed box and trim box page boundaries. This lets you calculate a PDF's bleed and slug for