标 准 号：BS EN 12560-4-2001 简体中文标题：法兰及其接头.标示等级的法兰的衬垫.钢法兰用波纹状、水平或皱缩金属和填充金属衬垫 繁体中文标题：法兰及其接头.标示等级的法兰的衬垫.钢法兰用波纹状、水平或皱缩金属和填充金属衬垫 English Name：Flanges and their joints - Gaskets for Class-designated flanges - Corrugated, flat or grooved metallic and filled metallic gaskets for use ...