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大水標定裝置

大水標定裝置

口徑范圍: DN500~DN2000

小水標定裝置

口徑范圍: DN15~DN400

小水標定裝置
戶用熱量表標定裝置

戶用熱量表標定裝置

口徑范圍: DN15~DN25

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