日本工业标准_JIS K6919-1992 纤维增强塑料用液态不饱和聚酯树脂(追補1)_K 6919 2009 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 K 6919:1992 xY?|U?VQ?h ?F JIS K 6919 2009=; % 4 1 Liquid unsaturated polyester resins for fiber reinforced plastics Amendment 1 JIS K 6919:1992 ?|w?OtYb? 1.&;c?w?w JIS K 6900
