| 000 | 00498 a2200241 4500 | ||
|---|---|---|---|
| 001 | 42818 | ||
| 020 | _a | ||
| 041 | _aeng | ||
| 080 | _a621.74Ame | ||
| 245 | _aMaintenance and testing of fans and ventiliting systems | ||
| 250 | _a | ||
| 260 | _aDes Plaines | ||
| 260 | _bAmerican Foundrymens Society | ||
| 260 | _c1972 | ||
| 300 | _a18 p. | ||
| 300 | _c27 cm | ||
| 490 | _a | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aFans (Machinery)-Maintenance and repair | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c38225 _d38225 |
||