GB/T 41104.1-2021实心和药芯软钎料丝规范和试验方法第1部分:分类和性能要求标准
英文:Solder wire, solid and flux cored—Specification and test methods—Part 1: Classification and performance requirements ...
英文:Solder wire, solid and flux cored—Specification and test methods—Part 1: Classification and performance requirements ...