| Instructions 56 and 58 of 12-31-97 and 10-07-98 Registration of Mining Concessions
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GOST 12.1.005-88SSBT. Occupational Safety Standards System. … |
RD 03-29-93Procedural Guidelines for Technical Assessment … |
SNiP 2.06.07-87Retaining Walls, Navigation Locks, and … |