<p style="text-align: left; text-indent: 2em;">9月29日，河北省市场监管局发布通告，发布12项地方计量技术规范。通告称，根据《中华人民共和国计量法》及相关规定，批准《压缩氢气加气柱检定规程》《径流泥沙自动监测仪校准规范》等12项河北省地方计量技术规范发布实施。</p>
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