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The inspectorate's regulations require marking of support components made of steel, cast iron, or light alloys. DIN 21549 contains the terms and definitions of powered-support components. DIN 21546 contains the markings of said components.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| ICS | 73.100.10 : Tunnelling and tubing equipment
|
| Number of pages | 3 |
| Replace | DIN 21546 (1972-06) |
| Year | 1990 |
| Document history | DIN 21546 (1990-08) |
| Country | Germany |
| Keyword | 21546 |