"Rodenstock GmbH (German pronunciation: [ˈʁoːdn̩ʃtɔk]) is a German manufacturer of ophthalmic lenses and spectacle frames. The company, which was founded in 1877, is headquartered in Munich. It has a worldwide workforce of approximately 4,200 and is represented in more than 80 countries with sales subsidiaries and distribution partners. Rodenstock maintains production sites for ophthalmic lenses at a total of 14 locations in 12 countries." - (en.wikipedia.org 29.01.2020)
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