Description: Date on which a product becomes the item it is supposed to be, or as it is described in its specifications or technical literature; Name: date of fabrication
Description: Date from which the production and / or development process is completed or from which a service is provided completely; Name: Date of manufacture
Description: the norm 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 displacement units