000
00273nam a2200109Ia 4500
008
201201s9999 xx 000 0 und d
082
_a
604.2
100
_a
FORBES, R.S.
245
0
_a
INTRODUCTION TO TECHNICAL DRAWINGS
260
_b
LONDON, B.T. BATSFORD
_c
1959
942
_c
OB
999
_c
16887
_d
16887