Lead and lead alloys - lead and lead alloy sheaths and sleeves of electric cables 铅和铅合金.电缆的铅和铅合金护套和套管
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Lead and lead alloys - lead and lead alloys sheaths and sleeves of electric cables 铅和铅合金.电缆的铅和铅合金护套和套管
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Lead - alloy sheathing 铅合金护套
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Lead - alloy sheath 铅合金护套
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Lead and lead alloys - lead and lead alloy sheaths and sleeves of electric cables ; german version en 50307 : 2002 铅和铅合金.电缆的铅和铅合金护套和套管
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Specification for impregnated paper - insulated lead or lead alloy sheathed electric cables of rated voltages up to and including 33000 v 额定电压在33kv及以下的铅与铅合金护套浸渍纸绝缘的电缆规范