Krug, Günter,
Elektrische Uhren /
von Günter Krug.
- 184 pages : illustrations ; 22 cm
- Spezialwissen für die Berufsbildung .
Bibliography: p. 167.
73584785
Clocks and watches, Electric--Design and construction--Study and teaching.
Clocks and watches, Electric.
textbook electrical electromechanical Timekeeper (general) Germany ElectricalScience