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Topic: Hahn

	Otto Hahn - Biography
		On his return to Europe Hahn moved to Berlin, to the Chemical Institute (Emil Fischer) of the University and there he qualified as a university lecturer in the spring of 1907, which year also saw his discovery of mesothorium.
		Hahn's own particular sphere was chemistry and he further discovered uranium Z, the first case of a nuclear isomerism of radioactive kinds of atoms.
		Using radioactive methods he investigated the absorption and precipitation of the smallest quantities of substances, normal and abnormal formation of crystals, etc. Hahn used the emanation method to test substances superficially rich or poor, and he elaborated the strontium method to determine the age of geological periods.
	nobelprize.org /nobel_prizes/chemistry/laureates/1944/hahn-bio.html (671 words)

	Patent Attorneys, lawyers specializing in patents, patent applications, Trademark and Copyright Registration, ARIPO and ...
		Hahn & Hahn was founded by Dr. W A Hahn who arrived in South Africa from Europe during 1948 where he had previously been engaged for 20 years in the multinational chemical industry as a patent expert.
		In 1951 Dr Hahn founded his own firm, Dr W.A. Hahn, at Pretoria where the South African Patents and Trade Marks Office and Courts are situated.
		During the period in which Hans was active at Hahn & Hahn, Hahn & Hahn expanded into a fully fledged Africa practice and files patent and trade mark applications in ARIPO,OAPI, South Africa, Angola, Nigeria, Egypt and other African countries.
	www.hahn.co.za (694 words)

	Glasbau Hahn - Display cases
		HAHN wall cases are either attached to a wall or self-supporting.
		HAHN free-standing display cases are available in several models, with a choice of seven opening mechanisms.
		HAHN module cases allow exhibitors to change the layout of their exhibition spaces.
	www.glasbau-hahn.de /english/vitrinen/vitrinen_en.php?read=91 (634 words)

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