"Vitrified clay " CNS Standards List| Copper copper | Environmental managementï¼Environmental | Method Test | Oil basil, | Broadband integrated | Method Nitric | Incandescent Lamps | Gas detectors | |
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CNS 12938
2020 Edition Vitrified clay pipes and fittings and pipe joints for drains and sewers 排水åŠæ±¡æ°´ç”¨ç“·åŒ–é»åœŸç®¡ä»¥åŠå…¶é…件與管接é |
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