Description: an identifier consisting of a string of characters used to identify an abstract or physical resource; Name: Uniform Resource Identifier (Manufacturer)
Description: Fully qualified domain name of the manufacturer of a product using a universal resource identifier (URI); Name: URI of manufacturer
Description: norm describing the material. The material number is taken from this norm. Type and number of the norm with issue year and issue month must be given; Name: Reference norm material of the valve face