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BS 519:1950
Specification for tractive armature direct current neutral-polar line relays for railway signalling
| contributor author | BSI - British Standards Institution | |
| date accessioned | 2017-09-04T18:39:36Z | |
| date available | 2017-09-04T18:39:36Z | |
| date copyright | 18458 | |
| date issued | 1950 | |
| identifier other | 000000000000021123.pdf | |
| identifier uri | http://yse.yabesh.ir/std;jsessionid=3826AF679D40527318548F1EFDEC014A/handle/yse/221238 | |
| description abstract | Relays, Switchgear, Armatures, Railway signals, Railway equipment, Railway fixed equipment, Dimensions, Seatings, Repeaters, Electric contacts, Contact resistance, Pressure, Electric terminals, Marking, Electrical testing, Voltage, Direct current, Electrical resistance, Clearances, Neutral-polar relays, Electrical equipment, Signal devices Railway applications | |
| language | English | |
| title | BS 519:1950 | num |
| title | Specification for tractive armature direct current neutral-polar line relays for railway signalling | en |
| type | standard | |
| page | 16 | |
| status | Current, Obsolescent, Under review | |
| tree | BSI - British Standards Institution:;1950 | |
| contenttype | fulltext |
