000 00273nam a2200109Ia 4500
008 201201s9999 xx 000 0 und d
082 _a604.2
100 _aFORBES, R.S.
245 0 _aINTRODUCTION TO TECHNICAL DRAWINGS
260 _bLONDON, B.T. BATSFORD
_c1959
942 _cOB
999 _c16887
_d16887