000
00293nam a2200121Ia 4500
008
220201s1960 xx 000 0 eng d
082
_a
621.9
_b
MER
100
_a
Merry,LJ
245
0
_a
Engineering workshop practice
260
_b
English university Press
_c
1960
300
_a
191
942
_2
ddc
999
_c
79721
_d
79721