| 摘要 |
PROBLEM TO BE SOLVED: To provide a cylindrical indicator which has chemical resistance and thermal resistance, and is easy to handle. SOLUTION: The cylindrical indicator used in a factory where a medical fluid is manufactured or used, or in other work sites while it is put around a cylindrical member, is characterized in that: a cut 3 is provided along the axis of a resin-made cylinder 2; an external surface of the cylinder 2 is physically or chemically surface-treated; and a display part 4 where a mark, a symbol, characters, a table, a chart, or other notes are represented is provided at the surface-treated part. COPYRIGHT: (C)2009,JPO&INPIT
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