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MACHINE FOR TESTING MATERIALS AND LUBRICATING OILS FOR FRICTION AND WEAR
MACHINE FOR TESTING MATERIALS AND LUBRICATING OILS FOR FRICTION AND WEAR
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机译:用于摩擦磨损的材料和润滑油测试机器
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摘要
the invention относитс to will test - ни м materials and вл етс improvement known machines for авт.св. the soviet union no. 1045073.purpose изобретени вл етс productivity испытани materials and
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