Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
HG/T 20639.2-1998 |
Typical design information sheets for engineering design of instrumentation 自控专业工程设计用典型条件表 |
China Chemical Industry
Standards Typical sheets engineering |
![]() English PDF |
HG/T 20639.1-1998 |
Typical sheets for engineering design of instrumentation 自控专业工程设计用典型表格 |
China Chemical Industry
Standards Typical sheets engineering |
![]() English PDF |
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