Kloefta, Akershus
Horten, Vestfold
Hoevik, Akershus
Hoenefoss, Buskerud
Halden, Oestfold
Manufacturing and trading of high tension insulators of porcelain,composite resin and glass. Manufacturing of pressbodies of porcelain, low tension. Ceramic welding backing.
Fredrikstad, Oestfold
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