| 000 | 00604nam a2200193Ia 4500 | ||
|---|---|---|---|
| 919 | _a091111 | ||
| 082 |
_a621.99 _bN57 |
||
| 100 | _aU.S.Commerece (Dept.of) Standards (National Bureau of). | ||
| 245 |
_aMetrology of gage block _bProceedings of a symposium held at NBS on Aug.11 and 12 1955 |
||
| 260 |
_bSupdt. of Documents _c1957 |
||
| 999 |
_c87325 _d87325 |
||