000
00213nam a2200073 4500
080
_a
_b
245
_a
IS: 3749 - 1978; Specification for Tool and Die Steels for Cold Work
700
_a
INDIAN STANDARDS INSTITUTION
260
_a
New Delhi
_b
BIS
_c
1979
300
_a
19p
999
_c
28009
_d
28009