Chinese Standard: 'GB/T 4121-1983'
Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
GB/T 4121-1983 | English | 199 |
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Days<=2
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The test method for stability to thermal darkening of silica glass
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GB/T 4121-1983
| Obsolete |
GB/T 4121-1983
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SIMILAR unprotected-true-PDFs: GB/T 42800-2023 GB/T 32661-2016 GB/T 30985-2014
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