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Standard Insuued on: 2003-11 |
Category No.: | DB | Valid Status: | superseded |
Issued Organization: | CEA | Issued Date: | 2003-11-03 |
Implemented Date: | 2004-5-1 | Abolished Date: | |
Superseded Standard.: | DB/T 8.2-2020 Specification for the construction of seismic station-Crustal deformation station-Part 2:Crustal tilt and strain observatory in borehole |
Superseded Date: | 2020-7-1 |
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