Directory of testing laboratories, commercial-institutional.
Wedi'i Gadw mewn:
| Awduron Corfforaethol: | , |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Philadelphia
[1973]
|
| Rhifyn: | [5th ed.] |
| Cyfres: | ASTM special technical publication ;
333C. |
| Pynciau: |
| Disgrifiad o'r Eitem: | 1955 ed. issued by American Society for Testing Materials under title: Directory of commercial and college testing laboratories. |
|---|---|
| Disgrifiad Corfforoll: | vii, 49 p. 28 cm. |