The Troll brand came into being with the launch of first track-lights in 1961, starting the path to hi-tech architectural lighting.
1961年随着第一款轨道式灯具的问世，TROLL品牌应运而生，并开始走向高科技建筑照明领域。
The Troll brand came into being with the launch of first track-lights in 1961, starting the path to hi-tech architectural lighting.
1961年随着第一款轨道式灯具的问世，TROLL品牌应运而生，并开始走向高科技建筑照明领域。
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