000
00284nam a2200109Ia 4500
008
140122s9999 xx 000 0 und d
082
_a
ISI
100
_a
ISI
245
_a
Specification for crude coal tar for gerneral use (revised) IS 212 - 1961
260
_b
_c
1961
942
_c
BK
_2
ddc
999
_c
1834
_d
1834