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Safety of unshielded tunnel boring machines and rodless shaft boring machines for rock
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STANDARD published on 1.12.1996
Designation standards: ÖNORM EN 815
Note: WITHDRAWN
Publication date standards: 1.12.1996
SKU: NS-771895
The number of pages: 46
Approximate weight : 138 g (0.30 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM
Latest update: 2026-05-04 (Number of items: 2 275 493)
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