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BS ISO 21771-1:2024

Действующий

Cylindrical involute gears and gear pairs. Concepts and geometry.

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50 €

ISO 21771-1:2024

Действующий

Cylindrical involute gears and gear pairs — Part 1: Concepts and geometry

Overview ISO 21771-1:2024 - Cylindrical involute gears and gear pairs - Part 1: Concepts and geometry defines the geometric concepts, terminology and parameters for cylindrical gears with involute he…

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25 €