Description: universal code identifying a logical or physical resource of a product; Name: Product instance URI
Description: Unique global identification of the product using an universal resource identifier (URI); Name: URI of the product
Description: The norm in fixed relation to the feature being described. This defines the parameters that influence the contents of the correlated feature. Type and number of the norm with issue year and issue month must be given, e.g. DIN ISO 4711:YYYY-MM.; Name: Reference norm of the static seal, housing