DIN 32520-4 : 1986被替代
GRAPHICAL SYMBOLS FOR WELDING - GRAPHICAL SYMBOLS FOR USE ON THERMAL CUTTING EQUIPMENT
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
ISO 4196 : 1984 - Similar to
IEC 60417A : 1974 - Similar to
IEC 60417B : 1975 - Similar to
ISO TR 10488 : 1991 - Similar to
IEC 60417D : 1978 - Similar to
IEC 60417C : 1977 - Similar to
IEC 60417E : 1980 - Similar to
IEC 60417H : 1987 - Similar to
IEC 60417J : 1990 - Similar to
IEC 60417G : 1985 - Similar to
IEC 60417F : 1982 - Similar to
ISO 7287 : 2002(R2017) - Similar to
ISO 7000 : 2014 - Similar to
