000
00263nam a2200109Ia 4500
008
220201s1975 xx 000 0 eng d
082
_a
668.41
_b
HAR-H
100
_a
HARPER CHARLES A
245
0
_a
HANDBOOK OF PLASTIC AND ELASTOMERS
260
_c
1975
942
_2
ddc
999
_c
30478
_d
30478