| 摘要 |
PROBLEM TO BE SOLVED: To provide a flexible cable protective tube, especially a flexible cable protective tube which is simple in structure and is easy to handle an optical fiber without damaging it. SOLUTION: The tube is provided with a main body part in which a hollow threaded body is formed by helically winding a wire rod and extending it and a coating part consisting of synthetic resin coated on the outer surface of the main body part or the like.
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