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Professional Standard Category: Professional Standard - Electricity |
Category No.: | DL | Valid Status: | superseded |
Issued Organization: | MPI | Issued Date: | 1997-06-20 |
Implemented Date: | Abolished Date: | 2012-03-01 | |
Superseded Standard.: | DL/T 5070-2012 Technological guide for manufactuing assembling and welding of metal spiral case of turbine in site |
Superseded Date: | 2012-3-1 |
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