Bell 4 Thermometric Paper's video
3204 plays · 2023-04-28
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Product description
Thermax bell type 4 Thermometric Paper, five grids 116 ℃, 121 ℃, 127 ℃, 132 ℃, 138 ℃, round self-adhesive, diameter 14mm, 10 pieces/book, one-time irreversible.