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Unused hydrocarbon-based insulating liquids. Methods for evaluating the oxidation stability
Document status: Active
Load-bearing geophysical armoured cables. General specifications
Document status: Cancelled
Specified time relays for industrial use. Part 1. Requirements and tests
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Explosive atmospheres. Part 13. Equipment protection by pressurized room 'p'
Document status: Active
Stationary gas turbines for turbogenerators. General technical requirements
Document status: Active