HG/T 20559-1993
Appendix to Design Regulations of Piping and Instrumentation Flow Diagram: Basic Unit Mode of Piping and Instrumentation Flow Diagram (English Version)
- Standard No.
- HG/T 20559-1993
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Chemical Industry
- Latest
- HG/T 20559-1993
HG/T 20559-1993 history
- 1970 HG/T 20559-1993 Appendix to Design Regulations of Piping and Instrumentation Flow Diagram: Basic Unit Mode of Piping and Instrumentation Flow Diagram
