noun
reference sample; keep sample
Wasei-eigo from 'keep sample'; a sample kept for reference, often in business or quality control contexts.
wasei-eigo (Japanese-coined English), from keep sample
品質管理のためにキープサンプルを保管しています。
We store reference samples for quality control.
このキープサンプルと製品を比較してください。
Please compare the product with this reference sample.