Description
Pembungkusan: 1 set
Kandungan:
- 2 X Kertas litmus biru (1 kotak 100 keping) 蓝色石蕊试纸 (1盒100张)
- 2 X Kertas litmus merah (1 kotak 100 keping) 红色石蕊试纸 (1盒100张)
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