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Telecontrol equipment and systems - Part 6-504: Telecontrol protocols compatible with ISO standards and ITU-T recommendations - TASE.1 User conventions. IEC 60870-6-504:1998. Original standard IEC TR 60870-6-504-1998 in PDF full version. Additional info + preview on request

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Telecontrol equipment and systems - Part 6-505: Telecontrol protocols compatible with ISO standards and ITU-T recommendations - TASE.2 User guide. Original standard IEC TR 60870-6-505-2006 in PDF full version. Additional info + preview on request

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Procedures for ensuring the cleanliness of industrial-process measurement and control equipment in oxygen service. CEI/IEC 60877:1999. Original standard IEC TR 60877-1999 in PDF full version. Additional info + preview on request

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Graphical symbols for electrical equipment in medical practice. IEC TR 60878:2022-11(en). Original standard IEC TR 60878-2022 in PDF full version. Additional info + preview on request

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Corrigendum 1 - Graphical symbols for electrical equipment in medical practice. IEC TR 60878:2022/COR1:2023. Original standard IEC TR 60878-2022 cor1-2023 in PDF full version. Additional info + preview on request

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Pre-heat requirements for starterless tubular fluorescent lamps. CEI/IEC 60882:1986. Original standard IEC TR 60882-1986 in PDF full version. Additional info + preview on request

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