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Safety of unshielded tunnel boring machines and rodless shaft boring machines for rock
STANDARD published on 1.4.1998
Designation standards: ČSN EN 815
Classification mark: 277993
Catalog number: 51995
Note: WITHDRAWN
Publication date standards: 1.4.1998
SKU: NS-162957
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Latest update: 2026-06-12 (Number of items: 2 281 969)
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