标 准 编 号:BS EN 12560-2-2001简体中文标题:法兰及其接头.标示等级的法兰衬垫.钢法兰用螺旋缠绕衬垫繁体中文标题:法兰及其接头.标示等级的法兰衬垫.钢法兰用螺旋缠绕衬垫English Name:Flanges and their joints - Gaskets for Class-designated flanges - Spiral wound gaskets for use with steel flanges
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