
NON-ALLOY STEEL ROD FOR DRAWING AND/OR COLD ROLLING - PART 4: SPECIFIC REQUIREMENTS FOR ROD FOR SPECIAL APPLICATIONS
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
NON-ALLOY STEEL ROD FOR DRAWING AND/OR COLD ROLLING - PART 4: SPECIFIC REQUIREMENTS FOR ROD FOR SPECIAL APPLICATIONS
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频