VEB Carl Zeiss, Carl-Zeiss-Straβe 1, 69 Jena, DDR
H. Wohanka & G. Kungebiel
VEB Werk für Fernsehelektronik, Ostendstraβe 1-5, Berlin-Oberschöneweide, DDR
M. Locke
VEB Carl Zeiss, Carl-Zeiss-Straβe 1, 69 Jena, DDR
G. Klingebiel
Popov Research Institute of Radiocommunications, Novodvorská 994, Prague 4, Czechoslovakia
J. Suk
Technical College of Mechanical and Textile Engineering, Hálkova 6, Liberec
K. Daďourek & J. Tichý
Tesla Works, Okružní 1144, Hradec Králové, Czechoslovakia
J. Zelenka
Research Institute of Single Crystals, Leninova 175, Turnov, Czechoslovakia
J. Kraus
Transport College, Marxa-Engelsa 25, Žilina, Czechoslovakia
L'. Hrivnák
Electrotechnical Faculty, Czech Technical University, Technická 1902, Prague 6, Czechoslovakia
O. Taraba
Faculty of Nuclear and Technical Physics, Czech Technical University, Břehová 7, Prague 1, Czechoslovakia
V. Petržílka
Technical College of Mechanical and Textile Engineering, Hálkova 6, Liberec
J. Tichý
Tesla Works, Okružní 1144, Hradec Králové, Czechoslovakia
J. Zelenka
Institute of Radioengineering and Electronics, Czechosl. Acad. Sci., Lumumbova 1, Prague 8, Czechoslovakia
V. Zima
Popov Research Institute of Radiocommunication, Novodvorská 994, Prague 4, Czechoslovakia
J. Dočekal
Research Institute of Telecommunications, Třebohostická 987, Prague 10, Czechoslovakia
V. Vachala
Technical College of Mechanical and Textile Engineering, Hálkova 6, Liberec, Czechoslovakia
V. Hammerschmied
Institute of Radioengineering and Electronics, Czechosl. Acad. Sci., Lumumbova 1, Prague 8, Czechoslovakia
V. Kroupa
Tesla Works, Okružní 1144, Hradec Králové, Czechoslovakia
J. Hanzl
Research Institute of Industrial Chemistry, East Bohemian Chemical Works Synthesia, Pardubice-Semtin, Czechoslovakia
F. Nykl
Technical College of Mechanical and Textile Engineering, Hálkova 6, Liberec, Czechoslovakia
F. Soška
Technical College of Mechanical and Textile Engineering, Hálkova 6, Liberec, Czechoslovakia
L. Sodomka
Tesla Works, Okružní 1144, Hradec Králové, Czechoslovakia
L. Kyncl
Turnov Grinding Plant, Turnovské brusírny n.p., Turnov, Czechoslovakia
M. Jech