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Зараз показуються 1-8 з 2
adhesion (2) |
anchor (1) |
anchor fixation (1) |
fastening of roof bolts (1) |
rocks (2) |
roof bolt (1) |
stress (1) |
stresses (1) |
adhesion (2) |
anchor (1) |
anchor fixation (1) |
fastening of roof bolts (1) |
rocks (2) |
roof bolt (1) |
stress (1) |
stresses (1) |