The thermionic vacuum tube and its applications /
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
New York [etc.] :
McGraw-Hill book company, inc.,
1920.
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| Edition: | 1st ed. |
| Subjects: |
| Physical Description: | xix, 391 p. : illus., diagrs. ; 24 cm. |
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