Method for Rockwell superficial hardness test (N and T scales). Part 2, Verification of the testing machine.
Wedi'i Gadw mewn:
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
London :
British Standards Institution,
1970..
|
| Cyfres: | British standard Part 2: 1970 ;
4175: |
| Pynciau: |
CARM 1 Store
| Rhif Galw: |
A2:AJ04B0 B05254 |
|---|---|
| Copi 1 | Ar gael Gwneud Cais |