NEN NPR ISO/TR 4869-3 : 1994
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ACOUSTICS - HEARING PROTECTORS - PART 3: SIMPLIFIED METHOD FOR THE MEASUREMENT OF INSERTION LOSS OF EAR-MUFF TYPE PROTECTORS FOR QUALITY INSPECTION PURPOSES
Superseded date
18-07-2007
Published date
12-01-2013
Publisher
Specifies a method for measuring the insertion loss of ear-muff type hearing protectors for quality inspection purposes.
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