State system for ensuring the uniformity of measurements. Ultrasonic contact-type instruments for measurement of thickness. Verification methods and means
Telecontrol equipment and systems. Part 5. Transmission protocols. Section 103. Companion standard for the informative interface of protection equipment
Low-voltage fuses. Part 3-1. Supplementary requirements for fuses for use by unskilled persons (fuses mainly for household and similar applications). Sections I to IV
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