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https://japan.vonardenne.com/legal-information/
find here the legal information of VON ARDENNE
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https://www.gettyimages.com/detail/news-photo/baron-manfred-von-ardenne-german-naturalist-and-explorer-news-photo/167438036
Baron Manfred von Ardenne . German naturalist and explorer especially in applied physics. About 600 inventions and patents in the radio and television...
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https://va-cc.de/english/
VON ARDENNE Coating Consumables (VACC) specializes in the distribution and development of high-quality coating materials for magnetron sputtering.
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