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一つ一つの商品毎に、固形成分が同じ示温インクを使用して、インク膜厚が異なる複数の熱履歴識別用マークを付与しておくことにより、それぞれの商品について、内容物が変質して完全に劣化するまでの中間時点での熱履歴を、その商品の複数の熱履歴識別用マークの何れかの消色によって判断するようにしたことを特徴とする請求項１乃至３の何れかに記載の示温インクによる熱履歴識別方法。By using temperature indicating ink with the same solid component for each product and adding multiple heat history identification marks with different ink film thickness, the contents of each product will be altered. the heat history at the intermediate time until completely deteriorated, to any one of claims 1 to 3, characterized in that so as to determine by any of the erasing of the plurality of thermal history identification mark of the product A thermal history identification method using the indicated temperature ink.
JP2002012411A2002-01-222002-01-22
Thermal history identification method using temperature indicating ink
Expired - Fee RelatedJP3815779B2
(en)
Aluminum alloy fin plate materials for heat exchangers and methods of their manufacture, the same, and methods of manufacture of heat exchangers by brazing.
Aluminum alloy fin plate materials for heat exchangers and methods of their manufacture, the same, and methods of manufacture of heat exchangers by brazing.