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  4. Standard "GB 12897-1991"
WITHDRAWN GB 12897-1991 5.5.1991 preview

GB 12897-1991

Specification for the first and second order leveling

Translate name

STANDARD published on 5.5.1991


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The information about the standard:

Designation standards: GB 12897-1991
Note: WITHDRAWN
Publication date standards: 5.5.1991
SKU: NS-893461
Country: Chinese technical standard
Category: Technical standards GB

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