GB/T 1303.6
GB/T 1303.6 (Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 6: Requirements for rigid laminated sheets based on phenolic resins)· GB (China) · 36 materials
GB/T 1303.6 (Industrial rigid laminated sheets based on thermosetting resins for electrical purposes - Part 6: Requirements for rigid laminated sheets based on phenolic resins)· GB (China) · 36 materials