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  4. Standard "GB 12898-1991"
WITHDRAWN GB 12898-1991 5.5.1991 preview

GB 12898-1991

Specifications for the third and fourth order leveling

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STANDARD published on 5.5.1991


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The information about the standard:

Designation standards: GB 12898-1991
Note: WITHDRAWN
Publication date standards: 5.5.1991
SKU: NS-893462
Country: Chinese technical standard
Category: Technical standards GB

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