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| Position: Chinese Standard in English/GB 11286-1989 |
| GB 11286-1989 Measurement of sound attenuation through a perforated reflective projection screen (English Version) | |||
| Standard No.: | GB 11286-1989 | Status: | superseded |
| Language: | English | File Format: | |
| Word Count: | 2000 words | Price(USD): | 180.00 remind me the price change |
| Implemented on: | 1990-1-1 | Delivery: | via email in 1~3 business day |
| Standard No.: | GB 11286-1989 |
| English Name: | Measurement of sound attenuation through a perforated reflective projection screen |
| Chinese Name: | 打孔反射放映银幕声衰减的测定方法 |
| Chinese Classification: | N42 Projection equipment and its accessory |
| Professional Classification: | GB National Standard |
| Implemented on: | 1990-1-1 |
| Status: | superseded |
| Superseded by: | JB/T 8245-1995 |
| Superseded on: | 2000-1-1 |
| Language: | English |
| File Format: | |
| Word Count: | 2000 words |
| Price(USD): | 180.00 |
| Delivery: | via email in 1~3 business day |