000 00292nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aHAJRA CHPIDHURY (SK) HAJRA CHOUDHORIY (AS)
245 0 _aElements of workshop technology
260 _cNIL
365 _b0
650 _aNIL
942 _cBK
999 _c92985
_d92985