JB/T 57243-1999 English PDFJB/T 57243: Historical versions
Basic dataStandard ID: JB/T 57243-1999 (JB/T57243-1999)Description (Translated English): (Instruments through holes jewel bearings product quality grading) Sector / Industry: Mechanical & Machinery Industry Standard (Recommended) Date of Issue: 12/30/1999 Date of Implementation: 6/1/2000 |