Standard
[CURRENT]
DIN 22012:1994-01
Investigations of the raw material in hard-coal-mining; macropetrographic classification and topographic survey of hard-coal and host rock
German title
Rohstoffuntersuchungen im Steinkohlenbergbau; Makropetrographische Ansprache und Aufnahme von Steinkohle und Nebengestein
Publication date
1994-01
Original language
German
Pages
9
Publication date
1994-01
Original language
German
Pages
9
DOI
https://dx.doi.org/10.31030/2623645
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DOI
https://dx.doi.org/10.31030/2623645
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