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¥4500元/瓶
供应氯乙烯气体[迪嘉特气] 纯度99.9% 危化品专车运输
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迪嘉特气供应氯乙烯气体C2H3CL 纯度99.9% 用作生产药中间体
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淄博迪嘉特气生产厂家直销H2S气体 纯度99%
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迪嘉特气现货供应H2S气体钢瓶减压阀 型号w21.8 出口压力可调节