000
00216nam a2200073 4500
080
_a
_b
245
_a
IS: 9466 - 1980; Viscosity classification for industrial liquid lubricants
700
_a
Bureau of Indian Standards
260
_a
New Delhi
_b
BIS
_c
1980
300
_a
7p
999
_c
34093
_d
34093