Cite
MLA Citation
British Standards Institution,. BS ISO 21771-1. Gears. Cylindrical involute gears and gear pairs. Concepts and geometry.. London : British Standards Institution, 2023. http://access.bl.uk/ark:/81055/vdc_100177419894.0x000001
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British Standards Institution,. BS ISO 21771-1. Gears. Cylindrical involute gears and gear pairs. Concepts and geometry.. London : British Standards Institution, 2023. http://access.bl.uk/ark:/81055/vdc_100177419894.0x000001