JB/T 2939

Standard Type
JBT
ICS
N/A
CCS
N/A
Status
N/A
Issue Date
N/A
Implementation
N/A
Responsible Dept
N/A
Drafting Unit
N/A

šŸ“‹ Scope / é€‚ē”ØčŒƒå›“ ai_extracted

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šŸ“ Foreword / å‰čØ€ ai_extracted

ęœ¬ę ‡å‡†ę˜ÆåœØJB 2939—81ć€Šę¶”ę—‹åˆ†ē¦»å™Øć€‹ēš„åŸŗē”€äøŠäæ®č®¢ēš„ć€‚ ęœ¬ę ‡å‡†äøŽJB 2939—81 ēš„ęŠ€ęœÆå†…å®¹äø€č‡“ļ¼Œä»…ęŒ‰ęœ‰å…³č§„å®šé‡ę–°čæ›č”Œäŗ†ē¼–č¾‘ć€‚ ęœ¬ę ‡å‡†č‡Ŗå®žę–½ä¹‹ę—„čµ·ä»£ę›æJB 2939—81怂 ęœ¬ę ‡å‡†ēš„é™„å½•A ę˜Æę ‡å‡†ēš„é™„å½•ć€‚ ęœ¬ę ‡å‡†ē”±å…Øå›½é‡‘å±žåˆ‡å‰ŠęœŗåŗŠę ‡å‡†åŒ–ęŠ€ęœÆå§”å‘˜ä¼šęå‡ŗć€‚ ęœ¬ę ‡å‡†ē”±å…Øå›½é‡‘å±žåˆ‡å‰ŠęœŗåŗŠę ‡å‡†åŒ–ęŠ€ęœÆå§”å‘˜ä¼šē£ØåŗŠåˆ†ä¼šå½’å£ć€‚ ęœ¬ę ‡å‡†č“Ÿč“£čµ·č‰å•ä½ļ¼šę³°å·žåø‚ę ‡å‡†ä»¶åŽ‚ć€äøŠęµ·ęœŗåŗŠåŽ‚ć€‚ ęœ¬ę ‡å‡†äŗŽ1982 幓1 ęœˆé¦–ę¬”å‘åøƒć€‚ JB/T 2939ļ¼1999

šŸ“š References & Relations / å¼•ē”ØäøŽå…³č”

normative_reference GB/T 16769-1997
normative_reference GB/T 9061-1988

Content extracted by AI. Not officially verified.