| Welded tool joints for drill pipe. Specifications
Замки приварные для бурильных труб. Технические условия |
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RD 51-1-95Standards of Process Design of Gas Processing … |
MISC 68-FZOn Protection of the Population and Territories … |
RusRWS УДК 656.254.14-15-621.316.0Rules for protecting wire communications … |