| 000 | 00378nam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 230818b |||||||| |||| 00| 0 hin d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 245 | _aअविष्कार | ||
| 246 | _aAvishkaar | ||
| 260 |
_aNew Delhi: _bNational Research Development Corporation of India, _c1971 |
||
| 310 | _aMonthly | ||
| 942 |
_cCR _2udc |
||
| 999 |
_c59021 _d59021 |
||