DIL
B
MARCONIS WIRELESS
TELEGRAPH CO LTD
LONDON.
다
O
A
B
CDE
FGH
JK
L
*MINARY ORAVIDA
UGOT TO ALTERATION.
REF.
RECEIVER VALVE INTERMEDIATE
TYPE
SK 4257
255
i
DIL
B
MARCONIS WIRELESS
TELEGRAPH CO LTD
LONDON.
다
O
A
B
CDE
FGH
JK
L
*MINARY ORAVIDA
UGOT TO ALTERATION.
REF.
RECEIVER VALVE INTERMEDIATE
TYPE
SK 4257
255
i