000 | 00555nam a22001697a 4500 | ||
---|---|---|---|
008 | 230310b |||||||| |||| 00| 0 eng d | ||
020 | _a92-805-0503-3 | ||
040 |
_aNational Science Library _cNational Science Library |
||
080 | _aD 025.4PATENt N4.2 | ||
245 |
_aInternational patent classification _c/ WIPO |
||
260 |
_aGeneva: _bWIPO, _c1994 |
||
490 | _a7th ed. | ||
500 | _3Vol. 9 (Section B: Performing operations; transporting); ISBN: 92-805-0503-3; 352p. | ||
650 | _aLibrary science | ||
653 | _aPatent classification | ||
942 |
_2udc _cBK |
||
999 |
_c7454 _d7454 |