000
00273nam a2200121Ia 4500
008
220201s1981 xx 000 0 eng d
082
_a
621.815
_b
GIL
100
_a
Gill, PS
245
0
_a
Tb of machine drawing
260
_b
Katson Pub
_c
1981
300
_a
536
942
_2
ddc
999
_c
82019
_d
82019