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ASTM F 270 : 1956 : R1968

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Recommended Practice for Testing Relative Thermionic Emissive Properties of Electron Tube Materials Using a Reference Cylindrical Diode (Withdrawn 1972)
Withdrawn date

11-11-2014

Published date

11-30-0002

DocumentType
Standard Practice
PublisherName
American Society for Testing and Materials
Status
Withdrawn

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