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  2. ISO 4031 - Wikipedia

    en.wikipedia.org/wiki/ISO_4031

    ISO 4031 is a superseded international standard first issued in 1978 by the International Organization for Standardization. It defined the representation of local time differentials, commonly referred to as time zones .

  3. File:United States Frequency Allocations Chart 2011 - The ...

    en.wikipedia.org/wiki/File:United_States...

    This image or file is a work of a United States Department of Commerce employee, taken or made as part of that person's official duties. As a work of the U.S. federal government , the image is in the public domain .

  4. PDF/A - Wikipedia

    en.wikipedia.org/wiki/PDF/A

    PDF is a standard for encoding documents in an "as printed" form that is portable between systems. However, the suitability of a PDF file for archival preservation depends on options chosen when the PDF is created: most notably, whether to embed the necessary fonts for rendering the document; whether to use encryption; and whether to preserve additional information from the original document ...

  5. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

  6. List of referred Indian Standard Codes for civil engineers

    en.wikipedia.org/wiki/List_of_referred_Indian...

    A large number of Indian Standard (IS) codes are available that are meant for virtually every aspect of civil engineering one can think of. During one's professional life one normally uses only a handful of them depending on the nature of work they are involved in. Civil engineers engaged in construction activities of large projects usually have to refer to a good number of IS codes as such ...

  7. PDF/X - Wikipedia

    en.wikipedia.org/wiki/PDF/X

    PDF/X is a subset of the ISO standard for PDF.The purpose of PDF/X is to facilitate graphics exchange, and it therefore has a series of printing-related requirements which do not apply to standard PDF files.

  8. File:United States Frequency Allocations Chart 2016 - The ...

    en.wikipedia.org/wiki/File:United_States...

    This image or file is a work of a United States Department of Commerce employee, taken or made as part of that person's official duties. As a work of the U.S. federal government , the image is in the public domain .

  9. PDF/E - Wikipedia

    en.wikipedia.org/wiki/PDF/E

    ISO 24517-1:2008 is an ISO Standard published in 2008.. Document management—Engineering document format using PDF—Part 1: Use of PDF 1.6 (PDF/E-1) This standard defines a format (PDF/E) for the creation of documents used in geospatial, construction and manufacturing workflows [1] and is based on the PDF Reference version 1.6 from Adobe Systems.