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Test method for glass hardness and scratch resistance of high speed multiple unit
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STANDARD published on 13.10.2015
Designation standards: GB/T 32057-2015
Publication date standards: 13.10.2015
SKU: NS-648805
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-05-11 (Number of items: 2 276 740)
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