000
002770000a22000970004500
245
_a
Question papers : NDT final exam Oct. 1979 : Mechanical Engineering - general
110
_a
Sri Lanka, Dept. of Examinations LK
080
_a
(076.1):621
_b
S7
041
_a
EN
942
_c
BK
999
_c
112747
_d
112747