BS EN 50289-1-4:2001 Communication cables - Specifications for test methods Part 1-4: Electrical test methods Insulation resistance-电线电缆网

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[国外标准] BS EN 50289-1-4:2001 Communication cables - Specifications for test methods Part 1-4: Electrical test methods Insulation resistance

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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

BS EN 50289-1-4:2001 Communication cables - Specifications for test methods Part 1-4: Electrical test methods Insulation resistance.pdf

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