000 00267nam a2200121Ia 4500
008 220201s1982 xx 000 0 eng d
082 _a621.815
_bGIL
100 _aGill, PS
245 0 _aMachine drawing
260 _bKatson Pub
_c1982
300 _a569
942 _2ddc
999 _c82163
_d82163