Ken Steele - Böcker
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3 produkter
3 produkter
256 kr
Skickas inom 3-6 vardagar
193 kr
Skickas inom 3-6 vardagar
1 909 kr
Skickas inom 10-15 vardagar
This text discusses factors such as mast overload, capacity of drawworks, and deviation in the hole to be drilled and the strata to be drilled. An omnibus approach to drilling techniques and problems is adopted.