共 50 条
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- [29] DEVELOPMENT OF POWER-SUPPLY AND SUPERVISORY EQUIPMENT FOR BRITISH RAILWAYS 50 HZ AC ELECTRIFICATION PROCEEDINGS OF THE INSTITUTION OF ELECTRICAL ENGINEERS-LONDON, 1972, 119 (02): : 189 - +
- [30] DEVELOPMENT OF OVERHEAD EQUIPMENT FOR BRITISH RAILWAYS 50HZ AC ELECTRIFICATION SINCE 1960 PROCEEDINGS OF THE INSTITUTION OF ELECTRICAL ENGINEERS-LONDON, 1971, 118 (08): : 999 - &