JB/T 50142

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‡†äøŽJB/T 7790ā€”1995怊ē”µę¶”ęµęµ‹åŠŸęœŗļ¼ˆå™Øļ¼‰ęŠ€ęœÆę”ä»¶ć€‹é…åˆä½æē”Ø怂 ęœ¬ę ‡å‡†ē”±å…Ø国内ē‡ƒęœŗę ‡å‡†åŒ–ęŠ€ęœÆå§”å‘˜ä¼šęå‡ŗå¹¶å½’å£ć€‚ ęœ¬ę ‡å‡†čµ·č‰å•ä½ļ¼šåÆäøœęµ‹åŠŸå™ØåŽ‚ć€äøŠęµ·å†…ē‡ƒęœŗē ”ē©¶ę‰€ć€‚ ęœ¬ę ‡å‡†äø»č¦čµ·č‰äŗŗļ¼šå“åÆē”Ÿć€ęŽ č¾‰ć€é™ˆå‰‘č¾‰ć€é»„åæ—å¹³ć€ēžæäæŠéø£ć€‚ ęœ¬ę ‡å‡†äŗŽ1999 幓12 ęœˆé¦–ę¬”å‘åøƒć€‚ JB/T 50142ļ¼1999

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

normative_reference GB/T 2828-1987
normative_reference JB/T 7790-1995
normative_reference JB/T 9870-1999

Content extracted by AI. Not officially verified.