Laboratory Data Notebook with Duplicate Pages
A 100-page exercise book with carbonless duplicate sheets for lab records, numbered pages, and signatures section, bound in hardcover. Used by scientists for tamper-proof data entry. Fits 4820.20.00.00 but watch for manifold classification.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If using actual interleaved carbons
Interleaved carbon sets are distinctly under 4820.40.
If for industrial binders with lab inserts
Loose-leaf binders for professional use are 4820.90.
If self-copy thermal paper without binding
Thermal self-copy paper products classify under 4816.
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Import Tips & Compliance
• Specify 'no carbons' if carbonless; true carbon sets go to 4820.40
• Include lab certification; end-use affects scrutiny
• Avoid pre-printed tables dominating; stays subsidiary
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