Reaffirmed 2022

1. SCOPE

This standard prescribes requirements, method of sampling and test for writing slates made of metal, strawboard or stone, intended for use by students.

2. REFERENCES

The standard given below contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standard indicated below:

4905 : 2015/ISO 24153 : 2009 Random sampling and randomization procedures ( first revision )