Direct recording and reproducing materials for disk recording / by A. C. Keller
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| Superior document: | Bell telephone system B-998 |
|---|---|
| VerfasserIn: | |
| Place / Publishing House: | New York, NY : Bell Telephone Laboratories, 1937 |
| Year of Publication: | 1937 |
| Language: | English |
| Series: | Bell telephone system
B-998 |
| Physical Description: | 16 S.; graph. Darst.; 23 cm |
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| 100 | 1 | |a Keller, A. C. |4 aut | |
| 245 | 1 | 0 | |a Direct recording and reproducing materials for disk recording |c by A. C. Keller |
| 264 | 1 | |a New York, NY |b Bell Telephone Laboratories |c 1937 | |
| 300 | |a 16 S. |b graph. Darst. |c 23 cm | ||
| 490 | 1 | |a Bell telephone system |v B-998 | |
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