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Интеллектуальная Система Тематического Исследования НАукометрических данных |
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FIELD: sealing shafts and rods. SUBSTANCE: tape has narrow side edges and upper and lower parallel surfaces provided with rhombic embossing; shorter diagonal of rhomb is directed in way of rolling; tape is also provided with continuous grooves which are parallel to direction of tape rolling. Continuous grooves on one surface are located between grooves on opposite surface; rhombic embossing has form of tetrahedral pyramids. EFFECT: enhanced reliability. 4 cl, 4 dwg