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Mechanical pencils for technical drawings-Part 1:Classification, dimensions, performance requirements and testing
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STANDARD published on 21.7.2020
Designation standards: GB/T 39011.1-2020
Note: WITHDRAWN
Publication date standards: 21.7.2020
SKU: NS-1002142
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2025-12-26 (Number of items: 2 253 153)
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