The Committee approved the withdrawal of the following publications: R 70 Determination of intrinsic

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  The Committee approved the withdrawal of the following publications: R 70 Determination of intrinsic and hysteresis errors of gas analyzers; R 73 Requirements concerning pure gases CO, $ CO_{2}, $ $ CH_{4}, $ $ H_{2}, $ $ O_{2}, $ $ N_{2} $ and Ar intended for the preparation of reference gas mixtures; D7 The evaluation of flow standards and facilities used for testing water meters.