BS 9563:1979
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for rotary (manual) switches of assessed quality: generic data and methods of test; general rules for the preparation of detail specifications
Hardcopy , PDF
11-01-2008
English
02-28-1979
General matters, terminology and test procedures (electrical, mechanical, environmental and endurance) and general rules for drafting detail specifications for switches for use primarily in telecommunication and electronic equipment employing similar techniques.
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