Variable area flow meter type 350 Float in PVDF with magnet With solvent cement sockets PVC-U metric DN 50和DN 65用不锈钢芯的标准导杆PVDF(V4A)见可变面积流量计附件 浮子流量计限位开关 深圳市德隆泰科技有限公司--仪表部

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