electric dental engine

См. также в других словарях:

• Dental drill — A high speed dental handpiece. A dental drill (or dentist s drill) is a small, high speed drill used in dentistry to remove decayed tooth material prior to the insertion of a dental filling. Dental drills are used in the treatment of dental… …   Wikipedia

• Compressed-air engine — A Compressed air engine is a Pneumatic actuator that creates useful work by expanding compressed air. They have existed in many forms over the past two centuries, ranging in size from handheld turbines up to several hundred horsepower. Some types …   Wikipedia

• Johnson Electric — Orphan|date=November 2006 Johnson Electric (德昌電機) (sehk|0179,OTCBB|JELCY) is one of the world s largest providers of motion subsystems and motion components for automotive and industrial applications. Over the years, the company has shipped… …   Wikipedia

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• List of United States inventions — 1700s1731 Sextant * The sextant is an astronomical instrument that is used to determine latitude for navigation. It does this by measuring angular distances, like the altitude of the sun, moon and stars. The sextant was invented independently in… …   Wikipedia

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• materials science — the study of the characteristics and uses of various materials, as glass, plastics, and metals. [1960 65] * * * Study of the properties of solid materials and how those properties are determined by the material s composition and structure, both… …   Universalium

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• Pneumatic motor — The Victor Tatin airplane of 1879 used a compressed air engine for propulsion. Original craft, at Musée de l Air et de l Espace …   Wikipedia

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