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Geographic information. Preservation of digital data and metadata. Fundamentals. Original standard BS ISO 19165-1-2018 in PDF full version. Additional info + preview on request

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Geographic information. Preservation of digital data and metadata. Content specifications for Earth observation data and derived digital products. Original standard BS ISO 19165-2-2020 in PDF full version. Additional info + preview on request

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Geographic information. Discrete Global Grid Systems Specifications. Core Reference System and Operations, and Equal Area Earth Reference System. Original standard BS ISO 19170-1-2021 in PDF full version. Additional info + preview on request

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Testing of concrete. Setting time of concrete mixtures by resistance to penetration. Original standard BS ISO 1920-14-2019 in PDF full version. Additional info + preview on request

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Testing of concrete. Making and curing test specimens. Original standard BS ISO 1920-3-2019 in PDF full version. Additional info + preview on request

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Testing of concrete. Strength of hardened concrete. Original standard BS ISO 1920-4-2020 in PDF full version. Additional info + preview on request

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