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Teitl | Blynyddoedd a Rhifau | Math o ddeddfwriaeth |
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Gas Petroleum Continental Shelf Pipe-lines | ||
The Oil and Gas (Enterprise) Act 1982 (Commencement No. 2) Order 1982 | 1982 No. 1059 (C. 33) | Offerynnau Statudol y Deyrnas Unedig |