000
00270nam a2200109Ia 4500
008
220201s1963 xx 000 0 eng d
100
_a
Barnfield, GR & Mall, T
245
0
_a
Techanical drawing
260
_b
English university Press
_c
1963
300
_a
169
942
_2
ddc
999
_c
72403
_d
72403