Liquid Nitrogen Freezers Require Triple Safety Verification
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· promo_listing
This is a single-post advertisement for liquid nitrogen freezers, listing technical specifications like ambient temperature range and material certifications. There is no discussion, interaction, or evidence of farming activities, as the page contains only one promotional post with zero likes.
“Applicable ambient temperature (-20℃~50℃)”
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“Materials should be compatible with liquid nitrogen”
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“Dual-certified materials (ISO +CE)”
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