GB/T 1303.12-2022电气用热固性树脂工业硬质层压板第12部分:典型值国家标准
英文:Industrial rigid laminated sheets based on thermosetting resins for electrical purposes—Part 12:Typical values GB/T 1...
英文:Industrial rigid laminated sheets based on thermosetting resins for electrical purposes—Part 12:Typical values GB/T 1...