000 | 00263nam a2200085Ia 4500 | ||
---|---|---|---|
008 | 180131b1971 xxu||||| |||| 00| 0 eng d | ||
080 |
_a _b |
||
100 | _aIndian Standards Institution | ||
245 | _aIs: 1885 (Part Xxix) - 1971; Electrotechnical Vocabulary Part 29 Mining Terms | ||
260 |
_a _bBIS _c1971 |
||
999 |
_c49804 _d49804 |