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豫西矿用通信电缆MHYBV(HUYBV)30×2×0.8 矿井电话电缆面议 -
晋冀矿用通信电缆MHYBV(HUYBV)20×2×0.8 矿井电话电缆面议
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秦岭矿用通信电缆MHYBV(HUYBV)5×2×0.8 矿井电话电缆面议
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东昆仑矿用通信电缆MHYBV(HUYBV)3×2×0.8 矿井电话电缆面议
