| 000 | 00314nam a2200073 4500 | ||
|---|---|---|---|
| 080 |
_a _b |
||
| 245 | _aIS: 3231 (Part 1/Sec. 1) - 1986 (Reaffirmed 1992); Specification for electrical relays for power system protection Part 1 General requirements Section 1 contact performance | ||
| 700 | _aBureau of Indian Standards | ||
| 260 |
_aNew Delhi _bBIS _c1987 |
||
| 300 | _a5p | ||
| 999 |
_c35588 _d35588 |
||