Technical drawings - General principles of presentation - Part 21: Preparation of lines by CAD systems
STANDARD published on 1.5.2002
Designation standards: ČSN EN ISO 128-21
Classification mark: 013114
Catalog number: 64702
Publication date standards: 1.5.2002
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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