00290nam a2200097Ia 4500008004100000041001200041100003000053245005900083250001300142260003700155231217s9999    xx            000 0 und d  aEnglish  aBureau of indian standard 0aI S M for brinell Hardness test for metallic materials  a2nd ed.   c1991bBureau of Indian Standard,