The radio code /
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
[Washington, D.C.] :
National Association of Broadcasters, Code Authority,
1972.
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| Edition: | 17th ed. |
| Subjects: |
| Item Description: | Cover title. |
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| Physical Description: | 27 p. ; 23 cm. |