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Standard Insuued on: 2012-01

SY/T 6850-2012    Specification for Evaluation of Quality of Oil and Gas Field and Pipeline Engineering Survey
油气田及管道工程测量质量评定
Category No.:SY Valid Status:abolished
Issued Organization:National Energy Administration Issued Date:2012-01-04
Implemented Date:2012-3-1 Abolished Date:2018-08-24
Superseded Standard.: Superseded Date:
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