JB/T 4289.3

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

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šŸ“ Foreword / 前č؀ ai_extracted

ęœ¬ę ‡å‡†ę˜ÆåƹJB 4070ā€”85怊ē«‹å¼ē²¾é•—åŗŠ å‚ę•°ć€‹ēš„äæ®č®¢ļ¼Œäæ®č®¢ę—¶ä»…ęŒ‰ęœ‰å…³č§„å®ščæ›č”Œäŗ†ē¼–č¾‘ę€§äæ®ę”¹ļ¼Œ ꊀęœÆ内容ęœŖę”¹å˜ć€‚ ęœ¬ę ‡å‡†ę˜ÆJB/T 4289怊ē«‹å¼ē²¾é•—åŗŠć€‹ē³»åˆ—ę ‡å‡†ēš„äø€éƒØ分ļ¼ŒčÆ„ē³»åˆ—ę ‡å‡†åŒ…ę‹¬ä»„äø‹å››äøŖéƒØ分ļ¼š JB/T 4289.1ā€”1994 ē«‹å¼ē²¾é•—åŗŠ ē²¾åŗ¦ JB/T 4289.2ā€”1994 ē«‹å¼ē²¾é•—åŗŠ ꊀęœÆę”ä»¶ JB/T 4289.3ā€”1999 ē«‹å¼ē²¾é•—åŗŠ å‚ę•° JB/T 4289.4ā€”1999 ē«‹å¼ē²¾é•—åŗŠ ē³»åˆ—åž‹č°± äøŽęœ¬ē³»åˆ—ę ‡å‡†é…å„—ēš„ę ‡å‡†ęœ‰ļ¼š JB/T 9901.1ā€”1999 ē«‹å¼ē²¾é•—åŗŠ 镗夓 å‚ę•° JB/T 9901.2ā€”1999 ē«‹å¼ē²¾é•—åŗŠ 镗夓 ꊀęœÆę”ä»¶ ęœ¬ę ‡å‡†č‡Ŗå®žę–½ä¹‹ę—„čµ·ä»£ę›æJB 4070ā€”85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ļ¼ščŠœę¹–重型ęœŗåŗŠåŽ‚怂 ęœ¬ę ‡å‡†äŗŽ1984 幓8 ęœˆé¦–ę¬”å‘åøƒć€‚ JB/T 4289.3ļ¼1999

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