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BS PD CEN ISO/TR 20659‑2:2024 Rheological test methods. Fundamentals...

BS PD ISO/IEC TS 18013‑7:2024 Historical[ Withdrawn ] Personal...

BS PD ISO/TS 20790:2024 Oil and gas industries including lower carbon...

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IEC 60231E (1977-01) IEC 60231E:1977 Supplement E - General principles of nuclear reactor instrumentation - Principles of instrumentation of high temperature indirect cycle gas-cooled power reactors (HTGR)
IEC 60231F (1977-01) IEC 60231F:1977 Supplement F - General principles of nuclear reactor instrumentation - Steam generating, direct cycle, heavy-water moderated reactors
IEC 60231G (1977-01) IEC 60231G:1977 Supplement G - General principles of nuclear reactor instrumentation - Liquid-metal cooled fast reactors
IEC 60564 (1977-01) IEC 60564:1977 D.C. bridges for measuring resistance
IEC 60268-9 (1977-01) IEC 60268-9:1977 Sound system equipment - Part 9: Artificial reverberation, time delay and frequency shift equipment
IEC 60581-1 (1977-01) IEC 60581-1:1977 High fidelity audio equipment and systems: Minimum performance requirements. Part 1: General
IEC 60560 (1977-01) IEC 60560:1977 Definitions and terminology of brush-holders for electrical machines
IEC 60471 (1977-01) IEC 60471:1977 Dimensions of clevis and tongue couplings of string insulator units
IEC/TR 60575 (1977-01) IEC TR 60575:1977 Thermal-mechanical performance test and mechanical performance test on string insulator units
IEC 60496 AMD 1 (1977-01) IEC 60496:1975/AMD1:1977 Amendment 1 - Methods for measuring the performance of electric warming plates for household and similar purposes
IEC 60231F (1977-01) IEC 60231F:1977 Supplement F - General principles of nuclear reactor instrumentation - Steam generating, direct cycle, heavy-water moderated reactors
IEC 60231E (1977-01) IEC 60231E:1977 Supplement E - General principles of nuclear reactor instrumentation - Principles of instrumentation of high temperature indirect cycle gas-cooled power reactors (HTGR)