电动超薄型球阀 Q971F-16-DN15,Q971F-16-DN20,Q971F-16-DN25,Q971F-16-DN32,Q971F-16-DN40,Q971F-16-DN50,|产品总汇|无锡市昌林自动化科技有限公司手机版

电动超薄型球阀 Q971F-16-DN15,Q971F-16-DN20,Q971F-16-DN25,Q971F-16-DN32,Q971F-16-DN40,Q971F-16-DN50,
9113、ANSI B16.5、JIS B2212