ببليوغرافيا الكتب الإنجليزية
فهرسة أكثر من أربعة ملايين وثلاثمائة ألف كتاب باللغة الإنجليزية مع ترجمة العنوان واسم المؤلف للغة العربية
Specification for an acoustic coupler (IEC reference type) for calibration of earphones used in audiometry / British Standards Institution
| BNB number : | GB7106798 |
| Date published : | 1971 |
| Has extent : | 9p. |
| ISBN : | 0580062570 |
| ISBN10 : | 0580062570 |
| Author : | British Standards Institution |
| Title : | Specification for an acoustic coupler (IEC reference type) for calibration of earphones used in audiometry : [metric units] |
| Subject : | 617.89 Earphones Audiometry |
| Creator : | British Standards Institution |
| Has carrier type : | volume |
| Has content type : | text |
| Has media type : | unmediated |
| Identifier : | http://bnb.data.bl.uk/id/resource/GB7106798 |
| Language : | http://lexvo.org/id/iso639-3/eng |
| Publication : | London : B.S.I., 1971 |
| Url : | 009682414 |
