000
00247nam a2200109Ia 4500
008
220201s1970 xx 000 0 eng d
082
_a
678.4
_b
BEC-P
100
_a
BECK RONALD D
245
0
_a
PLASTIC PRODUCT DESIGN
260
_c
1970
942
_2
ddc
999
_c
30539
_d
30539