sectional

Full Title

Maps; Plans; Charts; Diagrams, e.g. route diagram (star maps G09B27/04; devices for holding or supporting maps A47B97/02; for computing purposes G06G1/14, G09B1/16; display boards G09F) > sectional

Child Classifications

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• G09B 29/04 the sections being arranged in the form of a foldable sheet or sheets