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| Position: Chinese Standard in English/GB 9621.4-1988 |
| GB 9621.4-1988 Methods of analysis for gold-copper and gold-nickel brazing for elelctronic devices-Determination of phophorus (spectrophotometric method) (English Version) | |||
| Standard No.: | GB 9621.4-1988 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | 1000 words | Price(USD): | 184.00 remind me the price change |
| Implemented on: | 1989-2-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB 9621.4-1988 |
| English Name: | Methods of analysis for gold-copper and gold-nickel brazing for elelctronic devices-Determination of phophorus (spectrophotometric method) |
| Chinese Name: | 电子器件用金铜及金镍钎焊料的分析方法 磷钼蓝分光光度法测定磷 |
| Chinese Classification: | L90 Special electronic technology material |
| Professional Classification: | GB National Standard |
| Implemented on: | 1989-2-1 |
| Status: | superseded |
| Superseded by: | SJ/T 11031-1996 Methods of analysis for gold-copper and gold-nickel brazing for elelctronic devices - Determination of phophorus (spectrophotometric method) |
| Superseded on: | 1997-1-1 |
| Language: | English |
| File Format: | |
| Word Count: | 1000 words |
| Price(USD): | 184.00 |
| Delivery: | via email in 1~3 business day |