000
00266nam a2200109Ia 4500
008
220201s1959 xx 000 0 eng d
100
_a
I S 1586 1968
245
0
_a
I ST METHOD FOR ROCKWELL HARDNESS TEST
260
_a
DELHI
_b
I S I
_c
1959
300
_a
9
942
_2
ddc
999
_c
88944
_d
88944