Zásady bezpečnosti práce pri oblúkovom zváraní. : Podľa STN 05 0600, STN 05 0601, STN 05 0610, STN 05 0630 pre zváračov
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| Main Author: | |
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| Format: | Book |
| Language: | Slovak |
| Published: |
Ostrava :
Zeross,
1997
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| Edition: | 3. |
| Subjects: | |
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