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| Chinese National Standard List: Public and municipal construction equipment in general |
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DB31/ 623-2021 Limit of energy consumption per unit product of water production
Issued on: 2021-05-08 Price(USD): |
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DG/TJ 08-505-2000 Mark specification of plastic pipes for building
Issued on: 2000-9-30 Price(USD): 180.0 |
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