- en.wikipedia.org PDFPortable Document Format, a digital file format. For other uses, see PDF (disambiguation). Portable Document Format. Adobe PDF icon.
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- online-convert.com file-format/pdfPDF stands for Portable Document Format and was developed by Adobe. PDF files present a document in a fixed layout (much like an image) which...
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- pdfcrowd.com static/pdf/apisamples/wikipedia.pdfIn 1991 Adobe Systems co-founder John Warnock outlined a system called "Camelot"[5] that evolved into the Portable Document Format (PDF).
- pdf-xchange.se pages/wikipedia_Portable_Dokument_…Adobe Systems co-founder John Warnock outlined a system called "Camelot",[5] that evolved into the Portable Document Format (PDF) file-format.
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