Bell 7 Thermometric Paper's video
171 plays · 2023-04-28
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Product description
Thermax bell type 7 Thermometric Paper, five grids 199 ℃, 204 ℃, 210 ℃, 216 ℃, 224 ℃, round self-adhesive, diameter 14mm, 10 pieces/book, one-time irreversible.