BS-3504 › Historical Revision Information
Specification for magnesium-activated nickel for cathodes of electronic tubes and valves
Specification for magnesium-activated nickel for cathodes of electronic tubes and valves
To find similar documents by classification:
77.150.40 (Nickel and chromium products)
Document Number
BS 3504:1962
Revision Level
1962 EDITION
Status
Superseded
Publication Date
May 4, 1962
Page Count
12 pages