| 000 | 00488nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 230317b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aD 608(082.2) _bM1 |
||
| 245 |
_aNational seminar on 'Patents systems': _bNov. 28-29, 1981 _c/ National Geophysical Research Institute |
||
| 260 |
_aHyderabad: _bNational Geophysical Research Institute, _c1981 |
||
| 650 | _aInformation science | ||
| 653 | _aPatents | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c10746 _d10746 |
||