00309nam a2200097Ia 4500008004100000041001200041100003000053245007800083250001300161260003700174231217s9999    xx            000 0 und d  aEnglish  aBureau of indian standard 0aI S M for vichers hardness test for metallic materials part2 HV0.2 to HV5  a2nd ed.   c1991bBureau of Indian Standard,