INVENTIONS, PATENTING, PATENTS
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BTTECHNOLOGY (GENERAL)
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UDC608
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Descriptor GERERFINDUNGEN, PATENTE, PATENTIERUNG
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Descriptor ENGINVENTIONS, PATENTING, PATENTS
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Descriptor FREBREVETAGE, BREVETS, INVENTIONS
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NTINVENTORS
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NTINVENTIONS + PATENTABLE INVENTIONS
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NTPATENTING + PATENTS + PATENT SPECIFICATIONS
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RTINDUSTRIAL PROPERTY LAW, PATENT LAW, TRADEMARK LAW (SPECIAL BRANCHES OF LAW)
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RTTECHNICAL PROGRESS