Crossarms for wooden poles for overhead power lines up to 1000 V
1000V及以下架空电力线路用木杆横担

1984-11-01

Crossarms for roof poles for overhead power lines up to 1000 V
1000V及以下架空电力线路屋顶杆横担

1984-11-01

Telecommunication and power current overhead lines; wooden poles
电信和电力架空线路；木杆

1954-10-01

Roof poles for overhead power lines up to 1000 V; combination, components
1000V以下架空电力线路的屋顶杆；组合 组件

1986-08-01

Roof poles for lead-in cables, type N, degree of protection IP 40, for overhead power lines up to 1000 V
1000 V以下架空电力线路用N型引入电缆屋顶杆 防护等级IP 40

1978-12-01

Roof poles for lead-in cables, type S, degree of protection IP 54, for overhead power lines up to 1000 V
1000V以下架空电力线路用S型引入电缆屋顶杆 防护等级IP 54

1978-12-01