opening of coal seam
- Added: 30.11.2019
- Size: 319 KB
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Description
opening and preparation of coal seam
Project's Content
razrez-plastov-2000.dwg
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The material is a file that can be opened in program:
- AutoCAD or DWG TrueView
Additional information
Drawings content
razrez-plastov-2000.dwg
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