000 00313nam a2200109Ia 4500
008 220201s1975 xx 000 0 eng d
100 _aIndian Standard Institution
245 0 _aIS: 2643-1975-Pipe threads for fastening purpose: Limits of sizes
260 _bI.S.I Manak Bhavan
_c1975
300 _a2
942 _2ddc
999 _c80049
_d80049