Titlebook: Gears in Design, Production and Education; A Tribute to Prof. V Natalya Barmina,Evgenii Trubachev Book 2021 The Editor(s) (if applicable) a

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Professor V. I. Goldfarb: Life Activity and Contribution to Gearing Science,rbox engineering”, publishing activities, and activities in national scientific communities and IFToMM where Prof. Goldfarb chaired the Gearing Technical Committee for many years and became Vice-President.

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Best Practices in B2B eCommerce,n achievements of the Izhevsk school in the field of gears and, in particular, spiroid ones and methods of their analysis. The main scientific achievements obtained personally by Prof. V. I. Goldfarb and scientific problems solved under his supervision are noted. The section devoted to organizing sc

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eFinance, eInsurance und eMarketslyzing the past one can understand future trends, with motivations, situations, solutions, characters and experiences that have determined the past success of mechanical engineering as the first engine of society‘s development. This lecture paper illustrates examples of machines with their inventors

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B2B-Online-Marketing und Social Medianding endurance of progressive gears, i.e. cylindrical arc teeth gears, achieved within the framework of national scientific schools (USSR and Russia). These gears in the conditions of machine unbraced drive bodies can significantly increase the durability of both contact and bending strength and en