INVENTIONS + PATENTABLE INVENTIONS
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BTINVENTIONS, PATENTING, PATENTS
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UDC608.1
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Descriptor GERERFINDUNGEN + PATENTFÄHIGE ERFINDUNGEN
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Descriptor ENGINVENTIONS + PATENTABLE INVENTIONS
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Descriptor FREINVENTIONS + INVENTIONS BREVETABLES
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Variant GERPATENTFÄHIGE ERFINDUNGEN
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Variant GERERFINDUNGEN/PATENTFÄHIGE ERFINDUNGEN
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Variant ENGPATENTABLE INVENTIONS
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Variant ENGINVENTIONS/PATENTABLE INVENTIONS
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Variant FREINVENTIONS BREVETABLES
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Variant FREBREVETABLE/INVENTIONS BREVETABLES
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NTCHEMICAL INVENTIONS
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NTHISTORY OF INVENTIONS
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NTTECHNICAL INVENTIONS