+**B30** often designates a specific category within various [Classification Systems](/wiki/Classification_System) or [Industry Standards](/wiki/Industry_Standard). It can signify a particular type of material, a product specification, or a regulated component, guiding its application and compliance across different fields.
+## See also
+- [Standardization](/wiki/Standardization)
+- [Designation](/wiki/Designation)
+- [Specification](/wiki/Specification)
... 1 more lines