DEFSTAN 59-60(PT1)/3(1995) : 1995
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
VALVES, ELECTRONIC (ELECTRONIC TUBES) - PART 1: GENERAL REQUIREMENTS
07-10-1999
12-01-2013
Preface
1 Scope
2 WARNING
3 Related documents
4 General provisions relating to radioactive valves
for service use
5 Class 1 Radioactive valves
6 Class 2 Radioactive valves
7 Hazard grade radioactive valves
8 X ray generated ionising radiation
9 Test methods
Annex A Marking of radioactive valves
Annex B Marking requirements and manufacturers factory
identification code
Annex C Beryllium hazards
Annex D List of tubes containing radioactive substances
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