National foreword<br>Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 General requirements<br>5 Marking <br>6 Test for durability of markings <br>Annex A (informative) - Environmental aspects <br>Annex ZA (informative) - Relationship between this <br> European Standard and the Essential Requirements<br> of EU Directive 93/42/EEC Medical devices<br>Bibliography