标 准 编 号：DIN 86059-1976 简体中文标题：公称压力为10的钢管用带固定套环的法兰管闷头. . 繁体中文标题：公称压力为10的钢管用带固定套环的法兰管闷头 English Name：Flanged bulkhead pieces with fixing collar, for steel tubes, nominal pressure 10...