ONORM EN 352-7 : 2003
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
HEARING PROTECTORS - SAFETY REQUIREMENTS AND TESTING - PART 7: LEVEL-DEPENDENT EAR-PLUGS
05-01-2021
01-12-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Testing
6 Information supplied by the manufacturer
7 Marking
Annex A (informative) Uncertainty of measurement and
interpretation of test results
Annex B (informative) Determination of criterion level
for level-dependent ear-plugs
Annex ZA (informative) Clauses of this European standard
addressing essential requirements or other
provisions of EU Directive
Bibliography
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