Series 909 Reduced Pressure Zone Assemblies are designed to provide crossconnection control protection of the potable water supply in accordance with national plumbing codes.
系列909减压区总成具有饮用水供应系统交叉连功能,符合美国国家
道行业
有关规定。
Series 909 Reduced Pressure Zone Assemblies are designed to provide crossconnection control protection of the potable water supply in accordance with national plumbing codes.
系列909减压区总成具有饮用水供应系统交叉连功能,符合美国国家
道行业
有关规定。
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