HISTORY OF INVENTIONS
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BTINVENTIONS + PATENTABLE INVENTIONS
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UDC608.1(091)
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Descriptor GERGESCHICHTE DER ERFINDUNGEN
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Descriptor ENGHISTORY OF INVENTIONS
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Descriptor FREHISTOIRE DES INVENTIONS
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Variant GERERFINDUNGEN/GESCHICHTE DER ERFINDUNGEN
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Variant GERERFINDUNGSGESCHICHTE
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Variant GERGESCHICHTE/ERFINDUNGSGESCHICHTE
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Variant ENGINVENTIONS HISTORY
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Variant ENGHISTORY/INVENTIONS HISTORY
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Variant FREINVENTIONS/HISTOIRE DES INVENTIONS