| 摘要 |
A connection tube of an optical cable is provided to confirm confirming kinds and contents of the optical cable through the connection tube by using an inner tube and an outer tube which are transparent or translucent. A connection tube of an optical cable includes an inner tube, an outer tube and a support stand. The outer tube(22) includes an inner tube(21) to an inner side. The support stand(23) is inserted between the inside tube and the outer tube. The outer tube is a material of transparency or translucency. The inner tube is color-applied wholly.
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