DL 5010-1992 Specification for geophysical exploration for water resources and hydropower engineering was changed to DL/T 5010-2005 Code for engineering geophysical exploration of hydropower and water resoruces.
DL 5010-1992 Specification for geophysical exploration for water resources and hydropower engineering was changed to SL 326-2005 Code for engineering geophysical exploration of water resources and hydropower.
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