Category:Drilling derricks
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lifting device composed at minimum of one guyed mast, as in a gin pole, which may be articulated over a load by adjusting its guys | |||||
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Subcategories
This category has the following 5 subcategories, out of 5 total.
Media in category "Drilling derricks"
The following 12 files are in this category, out of 12 total.
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Boortoren Twekkelo.jpg 2,112 × 2,816; 937 KB
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Boring machine • p826 • Scammell's Cyclopedia of Valuable Receipts (1897).tif 1,335 × 1,810; 348 KB
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DATUMS IN DRILLING.png 880 × 720; 422 KB
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Ramadan1433 265.jpg 1,600 × 1,200; 317 KB
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Sondage 01.jpg 778 × 1,168; 431 KB
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Sondage 02.jpg 1,640 × 1,070; 814 KB
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Sondage 03.jpg 1,990 × 1,276; 963 KB
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Sondage 04.jpg 2,000 × 1,274; 887 KB
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Sondage 05.jpg 894 × 1,402; 485 KB
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Sondage 06.jpg 1,997 × 1,259; 927 KB
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Sondage de Stafelfelden 01.jpg 732 × 1,120; 525 KB
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جهاز حفر آبار.jpg 566 × 839; 63 KB