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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    ISO 4031 is a superseded international standard first issued in 1978 by the International Organization for Standardization.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. 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 ...

  4. List of referred Indian Standard Codes for civil engineers

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

    IS: 4031 – chemical analysis and tests on cement. IS: 456; 10262; SP 23 – codes for designing concrete mixes. IS: 1199 – methods of sampling and analysis of concrete. IS: 516BXB JWJJS– methods of test for strength of concrete. IS: 13311 – ultrasonic testing of concrete structures. IS: 4925 – specifications for concrete batching plant.

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

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

    Original file (6,300 × 4,031 pixels, file size: 334 KB, MIME type: application/pdf) This is a file from the Wikimedia Commons. ... Version of PDF format: 1.4

  6. 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.

  7. 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.

  8. Martensitic stainless steel - Wikipedia

    en.wikipedia.org/wiki/Martensitic_stainless_steel

    Martensitic stainless steels can be high- or low-carbon steels built around the composition of iron, 12% up to 17% chromium, carbon from 0.10% (Type 410) up to 1.2% (Type 440C): [8] The chromium and carbon contents are balanced to have a martensitic structure.

  9. PDF/VT - Wikipedia

    en.wikipedia.org/wiki/PDF/VT

    The ubiquity of PDF, as well as the fact that PDF itself now is an ISO standard (ISO 32000-1:2008 [4]) clearly work in favor of PDF/VT. Nevertheless, it is currently difficult to predict where in the industry PDF/VT will be adopted and how fast that will happen, and how it will be positioned vis-à-vis other formats and architectures for ...