Telegraph building regulations part 14 maintenance of the color signaling lines

20.00

Article no. 02621

Description

Telegraph building regulations part 14 maintenance of the color signaling lines, edition November 1930, used item, in normal condition, originals;

Telegraphenbauordnung Teil 14 Unterhaltung der Ferbmeldelinien, Ausgabe November 1930, gebrauchtes Stück, in normalem Zustand, Originale;

Telegraafi ehitusmäärused 14. osa Värviliste signaaliliinide hooldus, väljaanne november 1930, kasutatud, normaalses seisukorras, originaal;

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