000 | 00378nam a2200109 4500 | ||
---|---|---|---|
999 |
_c66732 _d66732 |
||
008 | 190515b ||||| |||| 00| 0 eng d | ||
245 | _aBS:142 sec.1.2- 1982; Electrical protection relays; pt.1: Information and requirements for all protection relays sec. 1.21 specification for contact performance | ||
260 |
_aLondon _bBSI _c1982 |
||
300 | _a4p. | ||
310 | _a0 | ||
942 | _cSTDS |