| 000 | 00436nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 230418b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a662.7 _bJ0 |
||
| 245 |
_aKoppers Chemicals from coal _c/ Koppers Company, Inc. |
||
| 260 |
_aPittsburgh, _bKoppers Company, Inc., _c1950 |
||
| 300 | _a44p. | ||
| 650 | _aChemical technology | ||
| 653 | _aCoal tar | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c20759 _d20759 |
||