JIS H 4502:1990
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Nickel Sheets And Strips For Cathode Of Electronic Tube
Hardcopy , PDF
20-11-2000
English
15-02-2008
Specifies the nickel sheets and strips for use in the cathode of an electronic tube, etc., (referred to as the "sheets" and "strips").
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