Stopvalves for domestic water supply - two - way valves - oblique bonnet type pn 10 ; y - type valve ; technical rule of the dvgw 家庭用供水截流阀.双通阀.倾斜式阀帽pn10型. y型阀. dv
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Stopvalves for domestic water supply - two - way valves - vertical bonnet type pn 10 ; straight pattern globe valve ; technical rule of the dvgw 家庭用供水截流阀.双路阀.立式阀帽型pn10 :直线型球形