UDC629.113-592:621.643.4T24中华人民共和国国家标准GB11611-89汽车液压制动系金属管、内外螺纹管接头和软管端部接头Motor vehicles-Hydraulic braking systems-Pipes,tapped holesmale fittings and hose end fittings1989-08-28发布1990-03-01实施国家技术监督局发布
copyright@ 2008-2023 wnwk.com网站版权所有
经营许可证编号:浙ICP备2024059924号-2