1、日本工业标准_JIS A1424-2-2008 给水设施噪声的实验室试验方法.第2部分 排放旋塞和混合阀的安装和操作条件(修改件1)_A 1424-22008 1 ?QUV w4x|j=OH 14 t?loj;b?H 12 H 1 wFt,nV|jj?o?F?Yb?VqwZUK?|?j*qw?&o|&A?GUYh?wp|?t?lo| JIS A 1424-2:1998 xY?|U?VQ?h ?F JIS A 1424-2 2008?+C;wgMO H2?+?t|+?wZMO |t?E 41 Method for laboratory tests on noise emission from a
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