Reference zero for the calibration of Part 7 of acoustic audiometric equipment: free field audiometry benchmark diffusion field and listening to the national standard threshold People's Republic of China GBT4854.7-2008ISO389-7: 2005(Chinese Edition)
- Softcover
- New
Condition: New
US$ 51.50
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Add to basketItem description from seller
Language:Chinese.Paperback. Pub Date: 2008-10-1 Pages: 9 Publisher: Phoenix Press GBT 4854 Acoustics - Reference zero for the calibration of audiometric equipment includes eight part: --GBT 4854.1 benchmark zero acoustic calibration of audiometric equipment Level 1: Part 3 - Reference zero pressure ear headphones Reference equivalent threshold sound pressure levels for pure tones --GBT 16402 pure tones and insert earphones Acoustics Reference equivalent threshold sound pressure levels --GBT 4.
Seller Inventory # BY072088
Bibliographic details
- Title
- Reference zero for the calibration of Part 7 of acoustic audiometric equipment: free field audiometry benchmark diffusion field and listening to the national standard threshold People's Republic of China GBT4854.7-2008ISO389-7: 2005(Chinese Edition)
- Author
- BEN SHE
- Condition
- New
- Binding
- paperback
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| Item | 16 to 30 business days | 8 to 16 business days |
|---|---|---|
| First item | US$ 18.00 | US$ 30.00 |
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NAN JING SHI JIANG NING QU NING YUAN DIAN ZI SHANG WU ZHONG XIN
JS, China
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