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In 1950, the cleaning technology division was established with the development of the first European hot water high-pressure cleaner, the DS 350. [11] From the mid-1950s to the 1970s, the production of steam generators for industry and construction was a key focus for the company, while cleaning technology only later became Kärcher's main revenue-generating sector.
K4, a four-man sprint kayak; K4, a model of the British red telephone box; K4, a normal modal logic; K 4, in graph theory, the complete graph of four vertices; K 4, in abstract algebra, the Klein four-group; K4 (mountain) or Gasherbrum II, a mountain between China and Pakistan; Kawai K4, a digital synthesizer
Carl Nicholas Karcher SMOM (January 16, 1917 – January 11, 2008) [1] was an American businessman who founded the Carl's Jr. hamburger chain, now owned by parent company Snow Star LP. Early life [ edit ]