DIN EN ISO 544:2024-02
焊接耗材 填充材料和焊剂的技术交付条件 产品类型、尺寸、公差和标记（ISO/DIS 544:2024）
Welding consumables - Technical delivery conditions for filler materials and fluxes - Type of product, dimensions, tolerances and markings (ISO/DIS 544:2024); German and English version prEN ISO 544:2024 / Note: Date of issue 2024-01-19*Intended as rep...