Contents Foreword Introduction 1 Scope 2 Normative References 3 Terms and definitions 4 General requirements 4.1 Proposal for symbols for adoption 4.2 Requirements for usage 5 Symbols Annex A (Informative) Examples Annex B (Normative) Proposal for the adoption of a symbol into YY/T 0466.1 Annex C (Normative) Basic pattern for symbol design Annex D (Informative) Use of the general prohibition symbol Bibliography
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