| 摘要 |
1150181 Electrical insulation GENERAL ELECTRIC CO 7 April 1967 [24 Aug 1966] 15994/67 Headings H1A A5 and A4D The electrical breakdown voltage in a liquid nitrogen environment of wire insulated by glass fibre is improved by immersing the insulated wire in distilled or tap water before subjecting to the liquid nitrogen environment. |
