Gas welding equipment - Pressure regulators and pressure regulators with flow-metering devices for gas cylinders used in welding, cutting and allied processes up to 300 bar (30 MPa) (ISO 2503:2009)
气体焊接设备 - 压力调节器和压力调节器 用于焊接 切割和相关工艺中用于气瓶的流量计量装置 最高达300 bar（30 MPa）（ISO 2503:2009）

2009-07-15

Оборудование для газовой сварки, резки и родственных процессов. Редукторы и расходомеры для газопроводов и газовых баллонов с давлением газа до 300 бар (30 МПа)
用于焊接 切割和相关工艺的气体焊接设备 压力调节器和压力调节器 带有用于歧管系统的流量计量装置和高达300巴（30МРа）的气瓶

Gas welding equipment — Pressure regulators and pressure regulators with flow-metering devices for gas cylinders used in welding, cutting and allied processes up to 300 bar (30 MPa)
气焊设备——压力调节器和带有流量计量装置的压力调节器 用于300 bar（30 MPa）以下的焊接、切割和相关工艺中的气瓶

2009-07-02

Gas welding equipment - Pressure regulators for manifold systems used in welding, cutting and allied processes up to 30 MPa (300 bar) (ISO 7291:2010)
气体焊接设备 - 用于焊接 切割和相关工艺的歧管系统的压力调节器 高达30 MPa（300 bar）（ISO 7291:2010）

2010-11-01

Gas welding equipment. Pressure regulators and pressure regulators with flow-metering devices for gas cylinders used in welding, cutting and allied processes up to 300 bar (30 MPa)
气焊设备 压力调节器和带有流量计量装置的压力调节器 用于300巴（30兆帕）以下的焊接、切割和相关工艺中的气瓶

2015-05-31

Gas welding equipment - Pressure regulators for manifold systems used in welding, cutting and allied processes up to 30 MPa (300 bar) (ISO 7291:2010/AMD 1:2015)
气体焊接设备 - 用于焊接 切割和相关工艺的歧管系统的压力调节器 高达30 MPa（300 bar）（ISO 7291:2010/AMD 1:2015）

2015-04-22

Gas welding equipment - Pressure regulators and pressure regulators with flow-metering devices for gas cylinders used in welding, cutting and allied processes up to 300 bar (30 MPa) (ISO 2503:2009)
气焊设备.300巴（30兆帕）以下焊接、切割和相关工艺用气瓶用压力调节器和带流量计量装置的压力调节器（ISO 2503-2009）

2010-06-23