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Professional Standard Category: Professional Standard - Geology&Mineralogy |
Category No.: | DZ | Valid Status: | superseded |
Issued Organization: | Ministry of Land Resources | Issued Date: | 2015-10-26 |
Implemented Date: | 2016-1-1 | Abolished Date: | |
Superseded Standard.: | DZ/T 0291-2015/XG1-2020 Specification for facing stone mineral exploration, includes Amendment 1 |
Superseded Date: | 2020-4-30 |
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