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Pattern plates with deep changeable wooden inserts for moulding box having inside dimensions 600x500 mm for moulding foundry machines with turn of half mould with squeezing. Design and dimensions

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gauges for checking 30 involute spline joints. Tolerances

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Optics and photonics. Optical details. Typical technological processes of applying one-, two- and three-layer antireflection coatings from solutions

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Aerostats, airships and high altitude platforms. Classification

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Diamond grinding wheels, dish (diamond in periphery) wheel shape 12D9. Basic dimensions

Document status: Withdrawn

Acoustics. Determination of sound emission from sound sources placed close to the ear. Part 1. Technique using a microphone in a real ear

Document status: Active