标准号:BS 5422:2023 ExComm标准名称:BS 5422:2023 ExComm英文名称:Expert Commentary for BS 5422:2023. Methods for specifying thermal insulating materials for pipes, tanks, vessels, ductwork and equipment operating within the temperature range -40 °C to +700 °C标准状态:发布日期:2025-06-04实施日期:0出版语种:归口单位:B/540/7提出部门:发布部门: