BS 7404-2-2.1:1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Telecontrol equipment and systems. Operating conditions Specification for classes of environmental conditions and power supplies
Hardcopy , PDF
12-15-1996
English
10-31-1991
Applies to coded bit serial data transmissions for monitoring and control of geographically widespread processes.
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