STM PDF

Plain bearings - Hydrodynamic plain journal bearings under steady-state conditions - Part 3- Functions for calculation of tilting pad journal bearings. Original standard ISO TS 31657-3-2020 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 31657-3-2025

Plain bearings - Hydrodynamic plain journal bearings under steady-state conditions - Part 4- Permissible operational parameters for calculation of multi-lobed and tilting pad journal bearings. Original standard ISO TS 31657-4-2020 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 31657-4-2025

Document management - Portable Document Format - Extensions to Hash Algorithm Support in ISO 32000-2 (PDF 2.0). Original standard ISO TS 32001-2022 in PDF full version. Additional info + preview on request

Document status: Active

Document management - Portable Document Format - Extensions to Digital Signatures in ISO 32000-2 (PDF 2.0). Original standard ISO TS 32002-2022 in PDF full version. Additional info + preview on request

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Document management - Portable Document Format - Adding support of AES-GCM in PDF 2.0. Original standard ISO TS 32003-2023 in PDF full version. Additional info + preview on request

Document status: Active

Document management - Portable Document Format - Integrity protection in encrypted documents in PDF 2.0. Original standard ISO TS 32004-2024 in PDF full version. Additional info + preview on request

Document status: Active