000 00311nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aISI
245 0 _a"Specification for Agricultural Tillage Discs, Part-I, Concave type (1st Revision)"
260 _bISI
260 _c1972
365 _b6.00
942 _cBK
999 _c150887
_d150887