| 摘要 |
A connecting structure for an optical conductor tube having an optical conductor rod inserted in a pipe to connect it vertically and in cascade fashion with another optical conductor tube and also having an inserted optical conductor rod. A transparent spacer of a diameter approximately equal to that of the optical conductor rods is interposed between them and the circumferential portion of the spacer has arc-shaped notches at a plurality of locations thereon. The notches have a transparent support arm engaged therewith and are elongated toward the pipe. The support arm is fixed clippingly by the flange.
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