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Mine plans - Petrography - Part 1: Generally applicable symbols - Sediments.
STANDARD published on 1.3.2013
Designation standards: DIN 21920-1:2013-03
Publication date standards: 1.3.2013
SKU: NS-190913
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: German technical standard
Category: Technical standards DIN
Bergmännisches Risswerk - Petrographie - Teil 1: Allgemeingültige Zeichen - Sedimente.
1.1.2012
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