标 准 编 号：BS EN 1057-2006 简体中文标题：铜和铜合金制品.卫生设备和水加热器的水和气体用无缝圆铜管 繁体中文标题：铜和铜合金制品.卫生设备和水加热器的水和气体用无缝圆铜管 English Name：Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications...