Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
HG/T 20639.3-1998 |
Code and standards list for engineering design of instrumentation è‡ªæŽ§ä¸“ä¸šå·¥ç¨‹è®¾è®¡ç”¨æ ‡å‡†ç›®å½• |
China Chemical Industry
Standards standards list engineering |
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