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IEC 796-1:1990 Microprocessor system bus — 8-bit and 16-bit data (MULTIBUS I) — Part 1: Functional description with electrical and timing specifications
IEC 796-2:1990 Microprocessor system bus — 8-bit and 16-bit data (MULTIBUS I) — Part 2: Mechanical and pin descriptions for the system bus configuration, with edge connectors (direct)
IEC 796-3:1990 Microprocessor system BUS I, 8-bit and 16-bit data (MULTIBUS I) — Part 3: Mechanical and pin descriptions for the Eurocard configuration with pin and socket (indirect) connectors
IEC 796-3:1990 Microprocessor system BUS I, 8-bit and 16-bit data (MULTIBUS I) — Part 3: Mechanical and pin descriptions for the Eurocard configuration with pin and socket (indirect) connectors
IEC 823:1990 Microprocessor system bus (VMSbus) — Serial sub-system bus of the IEC 821 Bus (VMEbus)
IEC 823:1990 Microprocessor system bus (VMSbus) — Serial sub-system bus of the IEC 821 Bus (VMEbus)
ISO 6767:1990 (R2012) Ambient air — Determination of the mass concentration of sulfur dioxide — Tetrachloromercurate (TCM)/pararosaniline method
ISO/IEC 9281-2 (1990-08) ISO/IEC 9281-2:1990 Information technology -- Picture coding methods -- Part 2: Procedure for registration
ISO 6767:1990 (R2012) Ambient air — Determination of the mass concentration of sulfur dioxide — Tetrachloromercurate (TCM)/pararosaniline method
ISO 7721-2:1990 Countersunk flat head screws — Part 2: Penetration depth of cross recesses
ISO 7721-2:1990 Countersunk flat head screws — Part 2: Penetration depth of cross recesses
ISO 8526-1:1990 Modular units for machine tools — Workholding pallets — Part 1: Workholding pallets up to 800 mm nominal size