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DIN 21920-5:1994-11
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DIN 21920-5:1994-11
Mine plans - Petrography - Part 5: Hard coal miningMore info
The document applies to the features of mining-specific mapping. It contains the required symbols, abbreviations, and terms to be used for symbolizing hardcoal and adjacent strata on large-scale mining-specific maps and plans as well as for macropetrological sections of seams.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| ICS | 73.020 : Mining and quarrying
|
| Number of pages | 15 |
| Replace | DIN 21900 (1951-08, t) |
| Year | 1990 |
| Document history | DIN 21920-5 (1994-11) |
| Country | Germany |
| Keyword | DIN 21920;21920 |