DIN EN ISO 7291-2015 气焊设备.用于30 MPa(300 bar)以下的焊接,切割及相关工艺用汇流系统上的压力调节器(ISO 7291-2010+Amd 1-2015).德文版本 EN ISO 7291-2010+A1-2015
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); German version EN ISO 7291:2010 + A1:2015