| 000 | 00380nam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 230626b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aR 608.3(047.1)(73) _bK6 |
||
| 245 | _aUnited States patent previews 1965-1970 | ||
| 260 |
_aWashington: _bBowker Associates Inc., _c1966 |
||
| 300 | _a1174p. | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c47167 _d47167 |
||