电线电缆网 > 标准共享 > BS EN 50289-1-4:2001 Communication cables - Specifications for test methods Part 1-4: Electrical test methods Insulation resistance（完整版）
BS EN 50289-1-4:2001 Communication cables - Specifications for test methods Part 1-4: Electrical test methods Insulation resistance - 无图版
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BS EN 50289-1-4:2001 Communication cables - Specifications for test methods Part 1-4: Electrical test methods Insulation resistance.pdf