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议价burkert6212 A 10.0 FKM MS G3/8 24VDC 3.4W 00138933 订货
burkert（宝德）6212A 耐腐蚀电磁阀
议价宝德电磁阀burkert6212A电磁阀00140673
burkert宝德6212A常开常闭隔膜电磁阀00140727 00139600 00140731
