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  4. Standard "GB 9809-1988"
WITHDRAWN GB 9809-1988 1.1.1988 preview

GB 9809-1988

Casing, core barrel and sediment tube threads for hydrogeologic and water well drilling

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STANDARD published on 1.1.1988


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Price382.80 USD excl. VAT
382.80 USD

The information about the standard:

Designation standards: GB 9809-1988
Note: WITHDRAWN
Publication date standards: 1.1.1988
SKU: NS-1238631
Country: Chinese technical standard
Category: Technical standards GB

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