BS-3939-20 › Graphical symbols for electrical power, telecommunications and electronics diagrams. Semiconductor devices
BS-3939-20
-
1968 EDITION
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SUPERSEDED
-- See the following:
BS-3939-1
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Graphical symbols for electrical power, telecommunications and electronics diagrams. Semiconductor devices
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Document Number
BS 3939 Section 20:1968
Revision Level
1968 EDITION
Status
Superseded
Publication Date
Oct. 15, 1968