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QB/T 1135-1991
QB/T 1135-1991 The method of measuring the thickness of gold and silver overlay using X-ray fluorescence spectroscopy
General Product Information
| Document Type | Industry standards-Light industry |
|---|---|
| Standard Status | Abolished |
| Standard Code | QB/T 1135-1991 |
| Implement Date | 1992-01-01 |
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