000
00320nam a2200145Ia 4500
100
_a
Rumyantsev; A.Daydon
942
_c
BK
654
_a
Metals
245
_a
Electro chemical machining of metals
260
_b
Mir publishers
_a
Moscow
082
_a
671.4
_b
RUM/DAV
300
_a
168
546
_a
ENGLISH
999
_c
24395
_d
24395