000 | 00286nam a2200085Ia 4500 | ||
---|---|---|---|
008 | 180131b1974 xxu||||| |||| 00| 0 eng d | ||
080 |
_a _b |
||
100 | _aIndian Standards Institution | ||
245 | _aIs:01885 (Part Iv/Sec 8) - 1973; Electrotechnical Vocabulary Part 4 Electron Tubes Section 8 Photose | ||
260 |
_a _bBIS _c1974 |
||
999 |
_c49789 _d49789 |