| 000 | 00425pam a2200145a 44500 | ||
|---|---|---|---|
| 082 |
_aUSBM _bRI 7811 |
||
| 100 | _aCarroll, Jr,H B | ||
| 245 | 1 | _aACCURACY AND PRECISION OF SEVERAL PORTABLE GAS DETECTORS. | |
| 260 |
_a _bU.S. Bureau Of Mines, Washington, D.C. _c1973 |
||
| 300 | _a42 | ||
| 500 | _aBounds With Usbm Ri 7801-7810, 7812-7820 Lack No. 7814 | ||
| 700 | _aArmstrong,F E | ||
| 964 | _gCIRC | ||
| 997 | _aTR8053 C | ||
| 999 |
_c395831 _d395831 |
||