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This standard fixes dimensions and surface conditions of gauges which are used to proof the tapered coupling parts of drill rods as per DIN 20377 and percussion bits as per DIN 20379.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| ICS | 73.120 : Equipment for processing of minerals
|
| Number of pages | 2 |
| Replace | DIN 20378 (1960-01) |
| Set | DIN-TAB 272-1999,DIN-TAB 272 Einzelplatzversion-2005,DIN-TAB 272 Netzwerkversion-2005 |
| Year | 1990 |
| Document history | DIN 20378 (1990-10) |
| Country | Germany |
| Keyword | 20378 |