00506nam a2200145Ia 4500008004100000041000800041082001700049100003100066245015300097250002000250260003700270300000600307365001600313700003100329230718s9999 xx 000 0 und d aeng a621.815bBUR aBureau Of Indian Standards aIndian Standard Technical Drawings - Geometrical Tolerancing Part 3 Dimensioning And Tolerancing Of Profiles IS 8000 (Part 3) : 1992 ISO 1660 : 1987 aSecond Revision c1992bBureau of Indian Standards a5 cRs.b180.00 aBureau Of Indian Standards