ASTM International - ASTM F270-56(1968)
Recommended Practice for Testing Relative Thermionic Emissive Properties of Electron Tube Materials Using a Reference Cylindrical Diode (Withdrawn 1972)
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| Organization: | ASTM International |
| Publication Date: | 1 January 1956 |
| Status: | inactive |
Document History
ASTM F270-56(1968)
January 1, 1956
Recommended Practice for Testing Relative Thermionic Emissive Properties of Electron Tube Materials Using a Reference Cylindrical Diode (Withdrawn 1972)
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