JB/T 9899

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 / 适ē”ØčŒƒå›“ ai_extracted

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šŸ“ Foreword / 前č؀ ai_extracted

ęœ¬ę ‡å‡†ę˜ÆåƹJB 4242.3ā€”86怊åŗ•åŗ§äø‡å‘ꑇ臂钻åŗŠ ē²¾åŗ¦ć€‹ēš„äæ®č®¢ļ¼Œäæ®č®¢ę—¶ä»…ęŒ‰ęœ‰å…³č§„å®ščæ›č”Œäŗ†ē¼– č¾‘ę€§äæ®ę”¹ļ¼ŒęŠ€ęœÆ内容ęœŖę”¹å˜ć€‚ äøŽęœ¬ę ‡å‡†é…å„—ēš„ę ‡å‡†ęœ‰ļ¼š GB/T 2815ā€”1989 钻åŗŠ äø»č½“ē«ÆéƒØ JB/T 6335.1ā€”1999 ꑇ臂钻åŗŠ ē³»åˆ—åž‹č°± JB/T 6336ā€”992 äø‡å‘ꑇ臂钻åŗŠ ꊀęœÆę”ä»¶ ęœ¬ę ‡å‡†ēš„附录A ę˜Æę ‡å‡†ēš„é™„å½•ć€‚ ęœ¬ę ‡å‡†č‡Ŗå®žę–½ä¹‹ę—„čµ·ä»£ę›æJB 4242.3ā€”86怂 ęœ¬ę ‡å‡†ē”±å…Ø国金属切削ęœŗåŗŠę ‡å‡†åŒ–ꊀęœÆå§”å‘˜ä¼šęå‡ŗ怂 ęœ¬ę ‡å‡†ē”±å…Ø国金属切削ęœŗåŗŠę ‡å‡†åŒ–ꊀęœÆ委员会钻镗åŗŠåˆ†ä¼šå½’å£ć€‚ ęœ¬ę ‡å‡†č“Ÿč“£čµ·č‰å•ä½ļ¼šäø­ę·å‹č°ŠåŽ‚ć€åŒ—äŗ¬ē¬¬äø‰ęœŗåŗŠåŽ‚怂 ęœ¬ę ‡å‡†äŗŽ1986 幓7 ęœˆé¦–ę¬”å‘åøƒć€‚ JB/T 9899ļ¼1999

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

normative_reference GB/T 17421.1-1998

Content extracted by AI. Not officially verified.