Industrial automation systems and integration. Standardized procedures for production systems engineering. Part 2. Reference process for seamless production planning
State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 8. Reference equivalent threshold sound pressure levels of pure tones for circumaural earphones
Printed boards. Part 4-1. Rigid multilayer printed boards with interlayer connections. Sectional specification. Section 1. Capability Detail Specification. Performance levels A, B and C
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