Given name: Jakub Family name: Helfman

  • YES
  • Male
  • Jakub
  • Helfman

  • Dzielna Street No. 9; electricity emergency service; electric power devices; lights; signaling systems and rewinding engines

  • craftsmen

  • Warsaw Telephone Directory 1939 (SASTW - Spis Abonentow Sieci Telefonicznej m. st. Warszawy 1939): electro-technician, tel. 11-87-64

  • 27, ogł