Integrated generic resource: Representation structures | ISO 10303-43:2021(E) © ISO |
INTERNATIONAL STANDARD | ISO 10303-43:2021(E) |
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NOTE A directed relationship exists between items A and B if the meaning of the relationship of A to B is different from the meaning of B to A. A and B are peers in a non-directed relationship. A directed relationship can be specified in an annotated EXPRESS schema that uses or specializes this schema.
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