Die Einkaufsdatenbank für den Binnenmarkt - Made in Germany
Complete mine car circuits
Switchgear installations for low voltage, firedamp-proof and explosion-proof
Signalling and warning devices, weatherproof and/or explosion-proof
Dr. Michael Oltmanns (Vors.)
Prof. Dr.-Ing. Franz Becker Prof. Dr. Wolfgang Wegener
HRB 16308, Saarbrücken
1964
DE 197 687 852