This standard stipulates the classification principles and methods, coding structure and coding methods of special aerospace process equipment, as well as the rules for compiling identification codes of special aerospace process equipment, and provides a classification code table for special aerospace process equipment. This standard applies to the identification and management of process equipment in the development and production of aerospace products.
QJ 20028-2011 Referenced Document
GB/T 7027-2002 Basic principles and methods for information classifying and coding
QJ 20028-2011 history
2011QJ 20028-2011 Classification and codes of special tooling for aerospace