Special female sockets for connecting cables and switchboards for motion-picture and television studio use; single pole special socket without protective conductor, ∼380 V 400 A
German title
Sondersteckdosen für Film- und Fernsehstudios; Einpolige Sondersteckdosen ohne Schutzleiter für Außen- oder Neutralleiter, ∼380 V 400 A
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