000
00278nam a2200121Ia 4500
008
220201s1979 xx 000 0 eng d
100
_a
C E M A
245
0
_a
BELT CONVEYORS FOR BULK MATERIALS
250
_a
1
260
_a
U S
_b
CBI PUB CO
_c
1979
300
_a
346
942
_2
ddc
999
_c
89915
_d
89915