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  • 嘖水瓶
  • 口罩
  • 顏料及A4白色硬卡紙
  • 夾子3個

測試口罩的阻隔作用

Contact

Room 315,3/F,Manson Industrial Building, 8 A Kung Ngam Village Lane, Shau Kei Wan,Hong Kong

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Tel: 36236969
Fax:36236995
Mobile:91966063

Email: teachershop33@gmail.com

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Send us a message
and we’ll get back to you shortly.

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