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Patent laws and legislation --- Patents (International law) --- 347.771 <430.1> --- Patent laws and legislation (International law) --- International law --- 347.771 <430.1> Octrooirecht. Brevet. Know-how--Westduitsland. Bondsrepubliek Duitsland --- Octrooirecht. Brevet. Know-how--Westduitsland. Bondsrepubliek Duitsland --- Industrial and intellectual property --- Germany
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