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Kubota Corporation (株式会社クボタ, Kabushiki-kaisha Kubota) is a Japanese multinational corporation based in Osaka.It was established in 1890. The corporation produces many products including tractors and other agricultural machinery, construction equipment, engines, vending machines, pipe, valves, cast metal, pumps, and equipment for water purification, sewage treatment and air ...
A backhoe [a] is a type of excavating equipment, or excavator, consisting of a digging bucket on the end of a two-part articulated arm. It is typically mounted on the back of a tractor or front loader , the latter forming a " backhoe loader " (a US term, but known as a " JCB " in Ireland and the UK). [ 1 ]
Tenova Takraf, a major manufacturer of open cast mining equipment-including the world's biggest Bucket wheel excavator; NASA Astronomy Picture of the Day: Photo of bucket-wheel excavator crossing a road (22 November 2006) "Big Wheels Keep on Turning" - Information about the development of bucket-wheel excavators and similar vehicles.
The main problem of Kaufmann's experiments was his use of parallel magnetic and electric fields, as pointed out by Adolf Bestelmeyer (1907). Using a method based on perpendicular magnetic and electric fields (introduced by J. J. Thomson and further developed to a velocity filter by Wilhelm Wien ), Bestelmeyer obtained considerably different ...