电绝缘纸板 electrical insulating board ; Insulating pressboard

电气绝缘压榨纸板 fuller board ; eleatrical press board

空气介质电绝缘纸板 electro-insulating board for air medium ; insulating board for air medium

电绝缘橡胶板 Rubber insulating sheet

电池绝缘板 power cell insulator

石棉绝缘配电板线 asbestos insulated switchboard wire

石棉水泥电气绝缘板 argillaceous earthenware

电绝缘纸和纸板 Electrical Insulating Paper and Paperboard

双片绝缘隔电夹板 two piece knob