Face supports in steel and light metal.
| Main Author: | Spruth, Fritz |
|---|---|
| Format: | Book |
| Language: | English German |
| Published: |
London :
Colliery Guardian Co.,
1955
|
| Edition: | 2nd. enl. ed. |
| Series: | Gluckauf Handbooks for Industry, v. 1
|
| Subjects: |
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