| 000 | 00367nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 211214s9999 xx 000 0 und d | ||
| 040 | _cJayakar Knowledge Resource Centre | ||
| 100 | _aPai R B | ||
| 245 | 0 | _aPatants for inventions | |
| 250 | _a1st ed | ||
| 260 |
_bCouncil of scientific and industrial research _aNew delhi _c1956 |
||
| 300 | _ax, 54p p. | ||
| 942 | _c1 | ||
| 999 |
_c57202 _d57202 |
||