"Refrigeration " CNS Standards List |
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CNS 6326
2018 Edition Pipe Flange for Refrigeration 管口蓋 |
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CNS 12655
2017 Edition Construction of Pressure Vessels for Refrigeration 冷凍用壓力容器構造 |
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CNS 12811
1990 Edition Pipe Flange for Refrigeration 冷凍裝置用管凸緣 |
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CNS 12655
1990 Edition Construction of Pressure Vessels for Refrigeration 冷凍用壓力容器構造 |
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