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A method for the production of fluorides (for example, calcium fluoride) with a the production of thin, reflection aen a helicoidal guide sprung surface layers on glass, transparent plastics or the like by vacuum vapor deposition minimum degree of purity
A method for the production of fluorides (for example, calcium fluoride) with a the production of thin, reflection aen a helicoidal guide sprung surface layers on glass, transparent plastics or the like by vacuum vapor deposition minimum degree of purity
