Sound recording on magnetic tape / by C. N. Hickman
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| Superior document: | Bell telephone system B-990 |
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| VerfasserIn: | |
| Place / Publishing House: | New York, NY : Bell Telephone Laboratories, 1937 |
| Year of Publication: | 1937 |
| Language: | English |
| Series: | Bell telephone system
B-990 |
| Physical Description: | 13 S.; graph. Darst.; 23 cm |
| Notes: | Literaturverz. S. 13 |
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| ac_no: | AC11429831 |
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| Hierarchical level: | Monograph |
| Statement of Responsibility: | by C. N. Hickman |