Standard
[CURRENT]
DIN 21920-5:1994-11
Mine plans - Petrography - Part 5: Hard coal mining
German title
Bergmännisches Rißwerk - Petrographie - Teil 5: Steinkohlenbergbau
Publication date
1994-11
Original language
German
Pages
15
Publication date
1994-11
Original language
German
Pages
15
DOI
https://dx.doi.org/10.31030/2720087
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DOI
https://dx.doi.org/10.31030/2720087
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