ICs81.060.20Y24GB中华人民共和国国家标准GB/T5003一1999日用陶瓷器釉面耐化学腐蚀性的测定Checking and measuring to the chemical corrodingresistance of glazes of domestic ceramics1999-08-12发布2000-02-01实施国家质量技术监督局发布
copyright@ 2008-2023 wnwk.com网站版权所有
经营许可证编号:浙ICP备2024059924号-2