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DIN 21920-5:1994-11

DIN 21920-5:1994-11

Mine plans - Petrography - Part 5: Hard coal mining

Bergmännisches Rißwerk - Petrographie - Teil 5: Steinkohlenbergbau

Fecha:
1994-11 /Active
ICS:

73.020 - Mining and quarrying

Resumen:
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.
Keywords:
Cards, Drawings, Flaws, Graphic symbols, Guidelines, Hard coal mining, Lettering, Lists, Mine surveying, Mining, Mining geology, Petrography, Plans, Representations, Seam coal, Shafts, Sketches, Symbols
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