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[国外标准] BS 4808-3-1972 L.F. cables and wires with PVC iulation and PVC sheath for telecommunication Part 3

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P:2024-01-09 11:01:36

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BS 4808-3-1972 L.F. cables and wires with PVC insulation and PVC sheath for telecommunication Part 3

BS 4808-3-1972 L.F. cables and wires with PVC insulation and PVC sheath for telecommunication Part 3：Cables and equipment wires,with solid or stranded conductors,screened, single.pdf

microwave - 微波。通常波长在 30 公分以下之电波。而微波频率是在1000MHZ 以上。 （0） 投诉

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