GB/T 5094.4-2005 Industrial systems,installations and equipment and industrial products-Structuring principles and reference designations-Part 4:Discussion of concepts (English Version)
This part explains some concepts used in GB/T 5094.1 "Structure Principles and Reference Codes" based on "project" and according to its life cycle history.
GB/T 5094.4-2005 history
2018GB/T 5094.1-2018 Industrial systems,installations and equipment and industrial products—Structuring principles and reference designations—Part 1: Basic rules
2002GB/T 5094.1-2002 Industrial systems,installations and equipment and industrial products--Structuring principles and reference designations Part 1: Basic rules