Specification for Rotary Drill Stem Elements
NORMA vydána dne 1.8.2009
Designation standards: API SPEC 7-1-ed.1-SPANISH
Publication date standards: 1.8.2009
The number of pages: 136
Approximate weight : 439 g (0.97 lbs)
Country: American technical standard
Kategorie: Technické normy API
API SPEC 7-1 SPANISH, 1st Edition, August 2009 - Specification for Rotary Drill Stem Elements
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