ASTM F270
Recommended Practice for Testing Relative Thermionic Emissive Properties of Electron Tube Materials Using a Reference Cylindrical Diode
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| Organization: | ASTM |
| Publication Date: | 1 January 1956 |
| Status: | inactive |
Document History
ASTM F270
January 1, 1956
Recommended Practice for Testing Relative Thermionic Emissive Properties of Electron Tube Materials Using a Reference Cylindrical Diode
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