| 000 | 00393nam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 241107b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aR 621.646/.8(021) _bL4;M0 |
||
| 245 | _aEquivalent valves reference manual | ||
| 250 | _a18th ed. | ||
| 260 |
_aHouston: _bOildom Publishing Company of Texas, Inc., _c1980 |
||
| 942 |
_2udc _cREF |
||
| 999 |
_c67779 _d67779 |
||