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UR D4 Rev3 CLN

Procedural Requirements
Common Structural Rules
Unified Requirements
Unified Interpretations
Recommendations
Membership Criteria, Guidance and Procedures
Procedures

Current Version

UR D4 Rev3 CLN

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UR D4 Self-elevating drilling units - Rev.3 Jan 2012

Previous Revisions

UR D4 Rev3 UL

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UR D4 Rev3 January 2012 Underlined

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