000
00252nam a2200109Ia 4500
008
220201s1961 xx 000 0 eng d
100
_a
I.S.I
245
0
_a
IS:599- Specification for twist drills
260
_b
I.S.I
_c
1961
300
_a
33
942
_2
ddc
999
_c
73257
_d
73257